8120445040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1\times {\mathrm{3331}}^1$

素因数の和:4358

約数の個数: 80

約数和(自身を含む): 19514750976

約数和(自身を除く): 11394305936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 983, 1240, 1966, 2480, 3331, 3932, 4915, 6662, 7864, 9830, 13324, 15728, 16655, 19660, 26648, 30473, 33310, 39320, 53296, 60946, 66620, 78640, 103261, 121892, 133240, 152365, 206522, 243784, 266480, 304730, 413044, 487568, 516305, 609460, 826088, 1032610, 1218920, 1652176, 2065220, 2437840, 3274373, 4130440, 6548746, 8260880, 13097492, 16371865, 26194984, 32743730, 52389968, 65487460, 101505563, 130974920, 203011126, 261949840, 406022252, 507527815, 812044504, 1015055630, 1624089008, 2030111260, 4060222520, 8120445040]

約数ペア:

[(1, 8120445040), (2, 4060222520), (4, 2030111260), (5, 1624089008), (8, 1015055630), (10, 812044504), (16, 507527815), (20, 406022252), (31, 261949840), (40, 203011126), (62, 130974920), (80, 101505563), (124, 65487460), (155, 52389968), (248, 32743730), (310, 26194984), (496, 16371865), (620, 13097492), (983, 8260880), (1240, 6548746), (1966, 4130440), (2480, 3274373), (3331, 2437840), (3932, 2065220), (4915, 1652176), (6662, 1218920), (7864, 1032610), (9830, 826088), (13324, 609460), (15728, 516305), (16655, 487568), (19660, 413044), (26648, 304730), (30473, 266480), (33310, 243784), (39320, 206522), (53296, 152365), (60946, 133240), (66620, 121892), (78640, 103261)]