25070320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 65710080

約数和(自身を除く): 40639760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 919, 1240, 1364, 1705, 1838, 2480, 2728, 3410, 3676, 4595, 5456, 6820, 7352, 9190, 10109, 13640, 14704, 18380, 20218, 27280, 28489, 36760, 40436, 50545, 56978, 73520, 80872, 101090, 113956, 142445, 161744, 202180, 227912, 284890, 313379, 404360, 455824, 569780, 626758, 808720, 1139560, 1253516, 1566895, 2279120, 2507032, 3133790, 5014064, 6267580, 12535160, 25070320]

約数ペア:

[(1, 25070320), (2, 12535160), (4, 6267580), (5, 5014064), (8, 3133790), (10, 2507032), (11, 2279120), (16, 1566895), (20, 1253516), (22, 1139560), (31, 808720), (40, 626758), (44, 569780), (55, 455824), (62, 404360), (80, 313379), (88, 284890), (110, 227912), (124, 202180), (155, 161744), (176, 142445), (220, 113956), (248, 101090), (310, 80872), (341, 73520), (440, 56978), (496, 50545), (620, 40436), (682, 36760), (880, 28489), (919, 27280), (1240, 20218), (1364, 18380), (1705, 14704), (1838, 13640), (2480, 10109), (2728, 9190), (3410, 7352), (3676, 6820), (4595, 5456)]