201139640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{769}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 488980800

約数和(自身を除く): 287841160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 503, 520, 769, 1006, 1538, 2012, 2515, 3076, 3845, 4024, 5030, 6152, 6539, 7690, 9997, 10060, 13078, 15380, 19994, 20120, 26156, 30760, 32695, 39988, 49985, 52312, 65390, 79976, 99970, 130780, 199940, 261560, 386807, 399880, 773614, 1547228, 1934035, 3094456, 3868070, 5028491, 7736140, 10056982, 15472280, 20113964, 25142455, 40227928, 50284910, 100569820, 201139640]

約数ペア:

[(1, 201139640), (2, 100569820), (4, 50284910), (5, 40227928), (8, 25142455), (10, 20113964), (13, 15472280), (20, 10056982), (26, 7736140), (40, 5028491), (52, 3868070), (65, 3094456), (104, 1934035), (130, 1547228), (260, 773614), (503, 399880), (520, 386807), (769, 261560), (1006, 199940), (1538, 130780), (2012, 99970), (2515, 79976), (3076, 65390), (3845, 52312), (4024, 49985), (5030, 39988), (6152, 32695), (6539, 30760), (7690, 26156), (9997, 20120), (10060, 19994), (13078, 15380)]