65098480

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 156579264

約数和(自身を除く): 91480784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 73, 80, 142, 146, 157, 284, 292, 314, 355, 365, 568, 584, 628, 710, 730, 785, 1136, 1168, 1256, 1420, 1460, 1570, 2512, 2840, 2920, 3140, 5183, 5680, 5840, 6280, 10366, 11147, 11461, 12560, 20732, 22294, 22922, 25915, 41464, 44588, 45844, 51830, 55735, 57305, 82928, 89176, 91688, 103660, 111470, 114610, 178352, 183376, 207320, 222940, 229220, 414640, 445880, 458440, 813731, 891760, 916880, 1627462, 3254924, 4068655, 6509848, 8137310, 13019696, 16274620, 32549240, 65098480]

約数ペア:

[(1, 65098480), (2, 32549240), (4, 16274620), (5, 13019696), (8, 8137310), (10, 6509848), (16, 4068655), (20, 3254924), (40, 1627462), (71, 916880), (73, 891760), (80, 813731), (142, 458440), (146, 445880), (157, 414640), (284, 229220), (292, 222940), (314, 207320), (355, 183376), (365, 178352), (568, 114610), (584, 111470), (628, 103660), (710, 91688), (730, 89176), (785, 82928), (1136, 57305), (1168, 55735), (1256, 51830), (1420, 45844), (1460, 44588), (1570, 41464), (2512, 25915), (2840, 22922), (2920, 22294), (3140, 20732), (5183, 12560), (5680, 11461), (5840, 11147), (6280, 10366)]