53538760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 132192000

約数和(自身を除く): 78653240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 271, 440, 449, 542, 898, 1084, 1355, 1796, 2168, 2245, 2710, 2981, 3592, 4490, 4939, 5420, 5962, 8980, 9878, 10840, 11924, 14905, 17960, 19756, 23848, 24695, 29810, 39512, 49390, 59620, 98780, 119240, 121679, 197560, 243358, 486716, 608395, 973432, 1216790, 1338469, 2433580, 2676938, 4867160, 5353876, 6692345, 10707752, 13384690, 26769380, 53538760]

約数ペア:

[(1, 53538760), (2, 26769380), (4, 13384690), (5, 10707752), (8, 6692345), (10, 5353876), (11, 4867160), (20, 2676938), (22, 2433580), (40, 1338469), (44, 1216790), (55, 973432), (88, 608395), (110, 486716), (220, 243358), (271, 197560), (440, 121679), (449, 119240), (542, 98780), (898, 59620), (1084, 49390), (1355, 39512), (1796, 29810), (2168, 24695), (2245, 23848), (2710, 19756), (2981, 17960), (3592, 14905), (4490, 11924), (4939, 10840), (5420, 9878), (5962, 8980)]