408996640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6343}}^1$

素因数の和:6402

約数の個数: 96

約数和(自身を含む): 1074318336

約数和(自身を除く): 665321696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 3224, 4030, 4960, 6343, 6448, 8060, 12686, 12896, 16120, 25372, 31715, 32240, 50744, 63430, 64480, 82459, 101488, 126860, 164918, 196633, 202976, 253720, 329836, 393266, 412295, 507440, 659672, 786532, 824590, 983165, 1014880, 1319344, 1573064, 1649180, 1966330, 2556229, 2638688, 3146128, 3298360, 3932660, 5112458, 6292256, 6596720, 7865320, 10224916, 12781145, 13193440, 15730640, 20449832, 25562290, 31461280, 40899664, 51124580, 81799328, 102249160, 204498320, 408996640]

約数ペア:

[(1, 408996640), (2, 204498320), (4, 102249160), (5, 81799328), (8, 51124580), (10, 40899664), (13, 31461280), (16, 25562290), (20, 20449832), (26, 15730640), (31, 13193440), (32, 12781145), (40, 10224916), (52, 7865320), (62, 6596720), (65, 6292256), (80, 5112458), (104, 3932660), (124, 3298360), (130, 3146128), (155, 2638688), (160, 2556229), (208, 1966330), (248, 1649180), (260, 1573064), (310, 1319344), (403, 1014880), (416, 983165), (496, 824590), (520, 786532), (620, 659672), (806, 507440), (992, 412295), (1040, 393266), (1240, 329836), (1612, 253720), (2015, 202976), (2080, 196633), (2480, 164918), (3224, 126860), (4030, 101488), (4960, 82459), (6343, 64480), (6448, 63430), (8060, 50744), (12686, 32240), (12896, 31715), (16120, 25372)]