205013120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:674

約数の個数: 128

約数和(自身を含む): 541583280

約数和(自身を除く): 336570160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 260, 320, 328, 410, 416, 520, 533, 601, 640, 656, 820, 832, 1040, 1066, 1202, 1312, 1640, 1664, 2080, 2132, 2404, 2624, 2665, 3005, 3280, 4160, 4264, 4808, 5248, 5330, 6010, 6560, 7813, 8320, 8528, 9616, 10660, 12020, 13120, 15626, 17056, 19232, 21320, 24040, 24641, 26240, 31252, 34112, 38464, 39065, 42640, 48080, 49282, 62504, 68224, 76928, 78130, 85280, 96160, 98564, 123205, 125008, 156260, 170560, 192320, 197128, 246410, 250016, 312520, 320333, 341120, 384640, 394256, 492820, 500032, 625040, 640666, 788512, 985640, 1000064, 1250080, 1281332, 1577024, 1601665, 1971280, 2500160, 2562664, 3154048, 3203330, 3942560, 5000320, 5125328, 6406660, 7885120, 10250656, 12813320, 15770240, 20501312, 25626640, 41002624, 51253280, 102506560, 205013120]

約数ペア:

[(1, 205013120), (2, 102506560), (4, 51253280), (5, 41002624), (8, 25626640), (10, 20501312), (13, 15770240), (16, 12813320), (20, 10250656), (26, 7885120), (32, 6406660), (40, 5125328), (41, 5000320), (52, 3942560), (64, 3203330), (65, 3154048), (80, 2562664), (82, 2500160), (104, 1971280), (128, 1601665), (130, 1577024), (160, 1281332), (164, 1250080), (205, 1000064), (208, 985640), (260, 788512), (320, 640666), (328, 625040), (410, 500032), (416, 492820), (520, 394256), (533, 384640), (601, 341120), (640, 320333), (656, 312520), (820, 250016), (832, 246410), (1040, 197128), (1066, 192320), (1202, 170560), (1312, 156260), (1640, 125008), (1664, 123205), (2080, 98564), (2132, 96160), (2404, 85280), (2624, 78130), (2665, 76928), (3005, 68224), (3280, 62504), (4160, 49282), (4264, 48080), (4808, 42640), (5248, 39065), (5330, 38464), (6010, 34112), (6560, 31252), (7813, 26240), (8320, 24641), (8528, 24040), (9616, 21320), (10660, 19232), (12020, 17056), (13120, 15626)]