51871720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 122245200

約数和(自身を除く): 70373480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 232, 290, 388, 461, 485, 580, 776, 922, 970, 1160, 1844, 1940, 2305, 2813, 3688, 3880, 4610, 5626, 9220, 11252, 13369, 14065, 18440, 22504, 26738, 28130, 44717, 53476, 56260, 66845, 89434, 106952, 112520, 133690, 178868, 223585, 267380, 357736, 447170, 534760, 894340, 1296793, 1788680, 2593586, 5187172, 6483965, 10374344, 12967930, 25935860, 51871720]

約数ペア:

[(1, 51871720), (2, 25935860), (4, 12967930), (5, 10374344), (8, 6483965), (10, 5187172), (20, 2593586), (29, 1788680), (40, 1296793), (58, 894340), (97, 534760), (116, 447170), (145, 357736), (194, 267380), (232, 223585), (290, 178868), (388, 133690), (461, 112520), (485, 106952), (580, 89434), (776, 66845), (922, 56260), (970, 53476), (1160, 44717), (1844, 28130), (1940, 26738), (2305, 22504), (2813, 18440), (3688, 14065), (3880, 13369), (4610, 11252), (5626, 9220)]