61399550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 119148624

約数和(自身を除く): 57749074

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 122, 205, 305, 410, 491, 610, 982, 1025, 1525, 2050, 2455, 2501, 3050, 4910, 5002, 12275, 12505, 20131, 24550, 25010, 29951, 40262, 59902, 62525, 100655, 125050, 149755, 201310, 299510, 503275, 748775, 1006550, 1227991, 1497550, 2455982, 6139955, 12279910, 30699775, 61399550]

約数ペア:

[(1, 61399550), (2, 30699775), (5, 12279910), (10, 6139955), (25, 2455982), (41, 1497550), (50, 1227991), (61, 1006550), (82, 748775), (122, 503275), (205, 299510), (305, 201310), (410, 149755), (491, 125050), (610, 100655), (982, 62525), (1025, 59902), (1525, 40262), (2050, 29951), (2455, 25010), (2501, 24550), (3050, 20131), (4910, 12505), (5002, 12275)]