28413006760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1697}}^1\times {\mathrm{18199}}^1$

素因数の和:19930

約数の個数: 64

約数和(自身を含む): 66751776000

約数和(自身を除く): 38338769240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1697, 3394, 6788, 8485, 13576, 16970, 18199, 33940, 36398, 39031, 67880, 72796, 78062, 90995, 145592, 156124, 181990, 195155, 312248, 363980, 390310, 418577, 727960, 780620, 837154, 1561240, 1674308, 2092885, 3348616, 4185770, 8371540, 16743080, 30883703, 61767406, 123534812, 154418515, 247069624, 308837030, 617674060, 710325169, 1235348120, 1420650338, 2841300676, 3551625845, 5682601352, 7103251690, 14206503380, 28413006760]

約数ペア:

[(1, 28413006760), (2, 14206503380), (4, 7103251690), (5, 5682601352), (8, 3551625845), (10, 2841300676), (20, 1420650338), (23, 1235348120), (40, 710325169), (46, 617674060), (92, 308837030), (115, 247069624), (184, 154418515), (230, 123534812), (460, 61767406), (920, 30883703), (1697, 16743080), (3394, 8371540), (6788, 4185770), (8485, 3348616), (13576, 2092885), (16970, 1674308), (18199, 1561240), (33940, 837154), (36398, 780620), (39031, 727960), (67880, 418577), (72796, 390310), (78062, 363980), (90995, 312248), (145592, 195155), (156124, 181990)]