8021248120

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1\times {\mathrm{2357}}^1$

素因数の和:3088

約数の個数: 64

約数和(自身を含む): 18208476000

約数和(自身を除く): 10187227880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 571, 596, 745, 1142, 1192, 1490, 2284, 2357, 2855, 2980, 4568, 4714, 5710, 5960, 9428, 11420, 11785, 18856, 22840, 23570, 47140, 85079, 94280, 170158, 340316, 351193, 425395, 680632, 702386, 850790, 1345847, 1404772, 1701580, 1755965, 2691694, 2809544, 3403160, 3511930, 5383388, 6729235, 7023860, 10766776, 13458470, 14047720, 26916940, 53833880, 200531203, 401062406, 802124812, 1002656015, 1604249624, 2005312030, 4010624060, 8021248120]

約数ペア:

[(1, 8021248120), (2, 4010624060), (4, 2005312030), (5, 1604249624), (8, 1002656015), (10, 802124812), (20, 401062406), (40, 200531203), (149, 53833880), (298, 26916940), (571, 14047720), (596, 13458470), (745, 10766776), (1142, 7023860), (1192, 6729235), (1490, 5383388), (2284, 3511930), (2357, 3403160), (2855, 2809544), (2980, 2691694), (4568, 1755965), (4714, 1701580), (5710, 1404772), (5960, 1345847), (9428, 850790), (11420, 702386), (11785, 680632), (18856, 425395), (22840, 351193), (23570, 340316), (47140, 170158), (85079, 94280)]