79950260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 186399528

約数和(自身を除く): 106449268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 71, 122, 130, 142, 244, 260, 284, 305, 355, 610, 710, 793, 923, 1220, 1420, 1586, 1846, 3172, 3692, 3965, 4331, 4615, 5041, 7930, 8662, 9230, 10082, 15860, 17324, 18460, 20164, 21655, 25205, 43310, 50410, 56303, 65533, 86620, 100820, 112606, 131066, 225212, 262132, 281515, 307501, 327665, 563030, 615002, 655330, 1126060, 1230004, 1310660, 1537505, 3075010, 3997513, 6150020, 7995026, 15990052, 19987565, 39975130, 79950260]

約数ペア:

[(1, 79950260), (2, 39975130), (4, 19987565), (5, 15990052), (10, 7995026), (13, 6150020), (20, 3997513), (26, 3075010), (52, 1537505), (61, 1310660), (65, 1230004), (71, 1126060), (122, 655330), (130, 615002), (142, 563030), (244, 327665), (260, 307501), (284, 281515), (305, 262132), (355, 225212), (610, 131066), (710, 112606), (793, 100820), (923, 86620), (1220, 65533), (1420, 56303), (1586, 50410), (1846, 43310), (3172, 25205), (3692, 21655), (3965, 20164), (4331, 18460), (4615, 17324), (5041, 15860), (7930, 10082), (8662, 9230)]