64532390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 131604480

約数和(自身を除く): 67072090

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 67, 130, 134, 155, 239, 310, 335, 403, 478, 670, 806, 871, 1195, 1742, 2015, 2077, 2390, 3107, 4030, 4154, 4355, 6214, 7409, 8710, 10385, 14818, 15535, 16013, 20770, 27001, 31070, 32026, 37045, 54002, 74090, 80065, 96317, 135005, 160130, 192634, 208169, 270010, 416338, 481585, 496403, 963170, 992806, 1040845, 2081690, 2482015, 4964030, 6453239, 12906478, 32266195, 64532390]

約数ペア:

[(1, 64532390), (2, 32266195), (5, 12906478), (10, 6453239), (13, 4964030), (26, 2482015), (31, 2081690), (62, 1040845), (65, 992806), (67, 963170), (130, 496403), (134, 481585), (155, 416338), (239, 270010), (310, 208169), (335, 192634), (403, 160130), (478, 135005), (670, 96317), (806, 80065), (871, 74090), (1195, 54002), (1742, 37045), (2015, 32026), (2077, 31070), (2390, 27001), (3107, 20770), (4030, 16013), (4154, 15535), (4355, 14818), (6214, 10385), (7409, 8710)]