18409496320

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{463949}}^1$

素因数の和:464001

約数の個数: 72

約数和(自身を含む): 45519062400

約数和(自身を除く): 27109566080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 463949, 927898, 1855796, 2319745, 3711592, 4639490, 7423184, 9278980, 14382419, 14846368, 18557960, 28764838, 29692736, 37115920, 57529676, 59385472, 71912095, 74231840, 115059352, 118770944, 143824190, 148463680, 230118704, 287648380, 296927360, 460237408, 575296760, 593854720, 920474816, 1150593520, 1840949632, 2301187040, 3681899264, 4602374080, 9204748160, 18409496320]

約数ペア:

[(1, 18409496320), (2, 9204748160), (4, 4602374080), (5, 3681899264), (8, 2301187040), (10, 1840949632), (16, 1150593520), (20, 920474816), (31, 593854720), (32, 575296760), (40, 460237408), (62, 296927360), (64, 287648380), (80, 230118704), (124, 148463680), (128, 143824190), (155, 118770944), (160, 115059352), (248, 74231840), (256, 71912095), (310, 59385472), (320, 57529676), (496, 37115920), (620, 29692736), (640, 28764838), (992, 18557960), (1240, 14846368), (1280, 14382419), (1984, 9278980), (2480, 7423184), (3968, 4639490), (4960, 3711592), (7936, 2319745), (9920, 1855796), (19840, 927898), (39680, 463949)]