40819040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 104781600

約数和(自身を除く): 63962560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 68, 80, 85, 86, 136, 160, 170, 172, 215, 272, 340, 344, 349, 430, 544, 680, 688, 698, 731, 860, 1360, 1376, 1396, 1462, 1720, 1745, 2720, 2792, 2924, 3440, 3490, 3655, 5584, 5848, 5933, 6880, 6980, 7310, 11168, 11696, 11866, 13960, 14620, 15007, 23392, 23732, 27920, 29240, 29665, 30014, 47464, 55840, 58480, 59330, 60028, 75035, 94928, 116960, 118660, 120056, 150070, 189856, 237320, 240112, 255119, 300140, 474640, 480224, 510238, 600280, 949280, 1020476, 1200560, 1275595, 2040952, 2401120, 2551190, 4081904, 5102380, 8163808, 10204760, 20409520, 40819040]

約数ペア:

[(1, 40819040), (2, 20409520), (4, 10204760), (5, 8163808), (8, 5102380), (10, 4081904), (16, 2551190), (17, 2401120), (20, 2040952), (32, 1275595), (34, 1200560), (40, 1020476), (43, 949280), (68, 600280), (80, 510238), (85, 480224), (86, 474640), (136, 300140), (160, 255119), (170, 240112), (172, 237320), (215, 189856), (272, 150070), (340, 120056), (344, 118660), (349, 116960), (430, 94928), (544, 75035), (680, 60028), (688, 59330), (698, 58480), (731, 55840), (860, 47464), (1360, 30014), (1376, 29665), (1396, 29240), (1462, 27920), (1720, 23732), (1745, 23392), (2720, 15007), (2792, 14620), (2924, 13960), (3440, 11866), (3490, 11696), (3655, 11168), (5584, 7310), (5848, 6980), (5933, 6880)]