20168086250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{42797}}^1$

素因数の和:42861

約数の個数: 80

約数和(自身を含む): 42115799880

約数和(自身を除く): 21947713630

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 125, 130, 145, 250, 290, 325, 377, 625, 650, 725, 754, 1250, 1450, 1625, 1885, 3250, 3625, 3770, 7250, 8125, 9425, 16250, 18125, 18850, 36250, 42797, 47125, 85594, 94250, 213985, 235625, 427970, 471250, 556361, 1069925, 1112722, 1241113, 2139850, 2482226, 2781805, 5349625, 5563610, 6205565, 10699250, 12411130, 13909025, 16134469, 26748125, 27818050, 31027825, 32268938, 53496250, 62055650, 69545125, 80672345, 139090250, 155139125, 161344690, 310278250, 347725625, 403361725, 695451250, 775695625, 806723450, 1551391250, 2016808625, 4033617250, 10084043125, 20168086250]

約数ペア:

[(1, 20168086250), (2, 10084043125), (5, 4033617250), (10, 2016808625), (13, 1551391250), (25, 806723450), (26, 775695625), (29, 695451250), (50, 403361725), (58, 347725625), (65, 310278250), (125, 161344690), (130, 155139125), (145, 139090250), (250, 80672345), (290, 69545125), (325, 62055650), (377, 53496250), (625, 32268938), (650, 31027825), (725, 27818050), (754, 26748125), (1250, 16134469), (1450, 13909025), (1625, 12411130), (1885, 10699250), (3250, 6205565), (3625, 5563610), (3770, 5349625), (7250, 2781805), (8125, 2482226), (9425, 2139850), (16250, 1241113), (18125, 1112722), (18850, 1069925), (36250, 556361), (42797, 471250), (47125, 427970), (85594, 235625), (94250, 213985)]