87146480

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13789}}^1$

素因数の和:13881

約数の個数: 40

約数和(自身を含む): 205195200

約数和(自身を除く): 118048720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 13789, 27578, 55156, 68945, 110312, 137890, 220624, 275780, 551560, 1089331, 1103120, 2178662, 4357324, 5446655, 8714648, 10893310, 17429296, 21786620, 43573240, 87146480]

約数ペア:

[(1, 87146480), (2, 43573240), (4, 21786620), (5, 17429296), (8, 10893310), (10, 8714648), (16, 5446655), (20, 4357324), (40, 2178662), (79, 1103120), (80, 1089331), (158, 551560), (316, 275780), (395, 220624), (632, 137890), (790, 110312), (1264, 68945), (1580, 55156), (3160, 27578), (6320, 13789)]