51786280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 147329280

約数和(自身を除く): 95543000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 347, 364, 410, 455, 520, 533, 574, 694, 728, 820, 910, 1066, 1148, 1388, 1435, 1640, 1735, 1820, 2132, 2296, 2429, 2665, 2776, 2870, 3470, 3640, 3731, 4264, 4511, 4858, 5330, 5740, 6940, 7462, 9022, 9716, 10660, 11480, 12145, 13880, 14227, 14924, 18044, 18655, 19432, 21320, 22555, 24290, 28454, 29848, 31577, 36088, 37310, 45110, 48580, 56908, 63154, 71135, 74620, 90220, 97160, 99589, 113816, 126308, 142270, 149240, 157885, 180440, 184951, 199178, 252616, 284540, 315770, 369902, 398356, 497945, 569080, 631540, 739804, 796712, 924755, 995890, 1263080, 1294657, 1479608, 1849510, 1991780, 2589314, 3699020, 3983560, 5178628, 6473285, 7398040, 10357256, 12946570, 25893140, 51786280]

約数ペア:

[(1, 51786280), (2, 25893140), (4, 12946570), (5, 10357256), (7, 7398040), (8, 6473285), (10, 5178628), (13, 3983560), (14, 3699020), (20, 2589314), (26, 1991780), (28, 1849510), (35, 1479608), (40, 1294657), (41, 1263080), (52, 995890), (56, 924755), (65, 796712), (70, 739804), (82, 631540), (91, 569080), (104, 497945), (130, 398356), (140, 369902), (164, 315770), (182, 284540), (205, 252616), (260, 199178), (280, 184951), (287, 180440), (328, 157885), (347, 149240), (364, 142270), (410, 126308), (455, 113816), (520, 99589), (533, 97160), (574, 90220), (694, 74620), (728, 71135), (820, 63154), (910, 56908), (1066, 48580), (1148, 45110), (1388, 37310), (1435, 36088), (1640, 31577), (1735, 29848), (1820, 28454), (2132, 24290), (2296, 22555), (2429, 21320), (2665, 19432), (2776, 18655), (2870, 18044), (3470, 14924), (3640, 14227), (3731, 13880), (4264, 12145), (4511, 11480), (4858, 10660), (5330, 9716), (5740, 9022), (6940, 7462)]