49560320

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1301

約数の個数: 72

約数和(自身を含む): 122640000

約数和(自身を除く): 73079680

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, 1249, 1280, 1984, 2480, 2498, 3968, 4960, 4996, 6245, 7936, 9920, 9992, 12490, 19840, 19984, 24980, 38719, 39680, 39968, 49960, 77438, 79936, 99920, 154876, 159872, 193595, 199840, 309752, 319744, 387190, 399680, 619504, 774380, 799360, 1239008, 1548760, 1598720, 2478016, 3097520, 4956032, 6195040, 9912064, 12390080, 24780160, 49560320]

約数ペア:

[(1, 49560320), (2, 24780160), (4, 12390080), (5, 9912064), (8, 6195040), (10, 4956032), (16, 3097520), (20, 2478016), (31, 1598720), (32, 1548760), (40, 1239008), (62, 799360), (64, 774380), (80, 619504), (124, 399680), (128, 387190), (155, 319744), (160, 309752), (248, 199840), (256, 193595), (310, 159872), (320, 154876), (496, 99920), (620, 79936), (640, 77438), (992, 49960), (1240, 39968), (1249, 39680), (1280, 38719), (1984, 24980), (2480, 19984), (2498, 19840), (3968, 12490), (4960, 9992), (4996, 9920), (6245, 7936)]