64753420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 142442496

約数和(自身を除く): 77689076

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 1471, 2201, 2942, 4402, 5884, 7355, 8804, 11005, 14710, 22010, 29420, 44020, 45601, 91202, 104441, 182404, 208882, 228005, 417764, 456010, 522205, 912020, 1044410, 2088820, 3237671, 6475342, 12950684, 16188355, 32376710, 64753420]

約数ペア:

[(1, 64753420), (2, 32376710), (4, 16188355), (5, 12950684), (10, 6475342), (20, 3237671), (31, 2088820), (62, 1044410), (71, 912020), (124, 522205), (142, 456010), (155, 417764), (284, 228005), (310, 208882), (355, 182404), (620, 104441), (710, 91202), (1420, 45601), (1471, 44020), (2201, 29420), (2942, 22010), (4402, 14710), (5884, 11005), (7355, 8804)]