64757860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 140499072

約数和(自身を除く): 75741212

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 151, 164, 205, 302, 410, 523, 604, 755, 820, 1046, 1510, 2092, 2615, 3020, 5230, 6191, 10460, 12382, 21443, 24764, 30955, 42886, 61910, 78973, 85772, 107215, 123820, 157946, 214430, 315892, 394865, 428860, 789730, 1579460, 3237893, 6475786, 12951572, 16189465, 32378930, 64757860]

約数ペア:

[(1, 64757860), (2, 32378930), (4, 16189465), (5, 12951572), (10, 6475786), (20, 3237893), (41, 1579460), (82, 789730), (151, 428860), (164, 394865), (205, 315892), (302, 214430), (410, 157946), (523, 123820), (604, 107215), (755, 85772), (820, 78973), (1046, 61910), (1510, 42886), (2092, 30955), (2615, 24764), (3020, 21443), (5230, 12382), (6191, 10460)]