1620001808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{75391}}^1$

素因数の和:75495

約数の個数: 40

約数和(自身を含む): 3365498880

約数和(自身を除く): 1745497072

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 79, 136, 158, 272, 316, 632, 1264, 1343, 2686, 5372, 10744, 21488, 75391, 150782, 301564, 603128, 1206256, 1281647, 2563294, 5126588, 5955889, 10253176, 11911778, 20506352, 23823556, 47647112, 95294224, 101250113, 202500226, 405000452, 810000904, 1620001808]

約数ペア:

[(1, 1620001808), (2, 810000904), (4, 405000452), (8, 202500226), (16, 101250113), (17, 95294224), (34, 47647112), (68, 23823556), (79, 20506352), (136, 11911778), (158, 10253176), (272, 5955889), (316, 5126588), (632, 2563294), (1264, 1281647), (1343, 1206256), (2686, 603128), (5372, 301564), (10744, 150782), (21488, 75391)]