42187240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 97796160

約数和(自身を除く): 55608920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 97, 131, 166, 194, 262, 332, 388, 415, 485, 524, 655, 664, 776, 830, 970, 1048, 1310, 1660, 1940, 2620, 3320, 3880, 5240, 8051, 10873, 12707, 16102, 21746, 25414, 32204, 40255, 43492, 50828, 54365, 63535, 64408, 80510, 86984, 101656, 108730, 127070, 161020, 217460, 254140, 322040, 434920, 508280, 1054681, 2109362, 4218724, 5273405, 8437448, 10546810, 21093620, 42187240]

約数ペア:

[(1, 42187240), (2, 21093620), (4, 10546810), (5, 8437448), (8, 5273405), (10, 4218724), (20, 2109362), (40, 1054681), (83, 508280), (97, 434920), (131, 322040), (166, 254140), (194, 217460), (262, 161020), (332, 127070), (388, 108730), (415, 101656), (485, 86984), (524, 80510), (655, 64408), (664, 63535), (776, 54365), (830, 50828), (970, 43492), (1048, 40255), (1310, 32204), (1660, 25414), (1940, 21746), (2620, 16102), (3320, 12707), (3880, 10873), (5240, 8051)]