40645240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 97264800

約数和(自身を除く): 56619560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 947, 1073, 1160, 1480, 1894, 2146, 3788, 4292, 4735, 5365, 7576, 8584, 9470, 10730, 18940, 21460, 27463, 35039, 37880, 42920, 54926, 70078, 109852, 137315, 140156, 175195, 219704, 274630, 280312, 350390, 549260, 700780, 1016131, 1098520, 1401560, 2032262, 4064524, 5080655, 8129048, 10161310, 20322620, 40645240]

約数ペア:

[(1, 40645240), (2, 20322620), (4, 10161310), (5, 8129048), (8, 5080655), (10, 4064524), (20, 2032262), (29, 1401560), (37, 1098520), (40, 1016131), (58, 700780), (74, 549260), (116, 350390), (145, 280312), (148, 274630), (185, 219704), (232, 175195), (290, 140156), (296, 137315), (370, 109852), (580, 70078), (740, 54926), (947, 42920), (1073, 37880), (1160, 35039), (1480, 27463), (1894, 21460), (2146, 18940), (3788, 10730), (4292, 9470), (4735, 8584), (5365, 7576)]