64289420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5261}}^1$

素因数の和:5330

約数の個数: 48

約数和(自身を含む): 148514688

約数和(自身を除く): 84225268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 5261, 6110, 10522, 12220, 21044, 26305, 52610, 68393, 105220, 136786, 247267, 273572, 341965, 494534, 683930, 989068, 1236335, 1367860, 2472670, 3214471, 4945340, 6428942, 12857884, 16072355, 32144710, 64289420]

約数ペア:

[(1, 64289420), (2, 32144710), (4, 16072355), (5, 12857884), (10, 6428942), (13, 4945340), (20, 3214471), (26, 2472670), (47, 1367860), (52, 1236335), (65, 989068), (94, 683930), (130, 494534), (188, 341965), (235, 273572), (260, 247267), (470, 136786), (611, 105220), (940, 68393), (1222, 52610), (2444, 26305), (3055, 21044), (5261, 12220), (6110, 10522)]