87987040

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6961}}^1$

素因数の和:7055

約数の個数: 48

約数和(自身を含む): 210530880

約数和(自身を除く): 122543840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 6961, 12640, 13922, 27844, 34805, 55688, 69610, 111376, 139220, 222752, 278440, 549919, 556880, 1099838, 1113760, 2199676, 2749595, 4399352, 5499190, 8798704, 10998380, 17597408, 21996760, 43993520, 87987040]

約数ペア:

[(1, 87987040), (2, 43993520), (4, 21996760), (5, 17597408), (8, 10998380), (10, 8798704), (16, 5499190), (20, 4399352), (32, 2749595), (40, 2199676), (79, 1113760), (80, 1099838), (158, 556880), (160, 549919), (316, 278440), (395, 222752), (632, 139220), (790, 111376), (1264, 69610), (1580, 55688), (2528, 34805), (3160, 27844), (6320, 13922), (6961, 12640)]