2728960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:79

約数の個数: 88

約数和(自身を含む): 7221816

約数和(自身を除く): 4492856

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, 256, 260, 320, 328, 410, 416, 512, 520, 533, 640, 656, 820, 832, 1024, 1040, 1066, 1280, 1312, 1640, 1664, 2080, 2132, 2560, 2624, 2665, 3280, 3328, 4160, 4264, 5120, 5248, 5330, 6560, 6656, 8320, 8528, 10496, 10660, 13120, 13312, 16640, 17056, 20992, 21320, 26240, 33280, 34112, 41984, 42640, 52480, 66560, 68224, 85280, 104960, 136448, 170560, 209920, 272896, 341120, 545792, 682240, 1364480, 2728960]

約数ペア:

[(1, 2728960), (2, 1364480), (4, 682240), (5, 545792), (8, 341120), (10, 272896), (13, 209920), (16, 170560), (20, 136448), (26, 104960), (32, 85280), (40, 68224), (41, 66560), (52, 52480), (64, 42640), (65, 41984), (80, 34112), (82, 33280), (104, 26240), (128, 21320), (130, 20992), (160, 17056), (164, 16640), (205, 13312), (208, 13120), (256, 10660), (260, 10496), (320, 8528), (328, 8320), (410, 6656), (416, 6560), (512, 5330), (520, 5248), (533, 5120), (640, 4264), (656, 4160), (820, 3328), (832, 3280), (1024, 2665), (1040, 2624), (1066, 2560), (1280, 2132), (1312, 2080), (1640, 1664)]