16704274040

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1\times {\mathrm{3137}}^1$

素因数の和:3944

約数の個数: 64

約数和(自身を含む): 37821686400

約数和(自身を除く): 21117412360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 557, 956, 1114, 1195, 1912, 2228, 2390, 2785, 3137, 4456, 4780, 5570, 6274, 9560, 11140, 12548, 15685, 22280, 25096, 31370, 62740, 125480, 133123, 266246, 532492, 665615, 749743, 1064984, 1331230, 1499486, 1747309, 2662460, 2998972, 3494618, 3748715, 5324920, 5997944, 6989236, 7497430, 8736545, 13978472, 14994860, 17473090, 29989720, 34946180, 69892360, 417606851, 835213702, 1670427404, 2088034255, 3340854808, 4176068510, 8352137020, 16704274040]

約数ペア:

[(1, 16704274040), (2, 8352137020), (4, 4176068510), (5, 3340854808), (8, 2088034255), (10, 1670427404), (20, 835213702), (40, 417606851), (239, 69892360), (478, 34946180), (557, 29989720), (956, 17473090), (1114, 14994860), (1195, 13978472), (1912, 8736545), (2228, 7497430), (2390, 6989236), (2785, 5997944), (3137, 5324920), (4456, 3748715), (4780, 3494618), (5570, 2998972), (6274, 2662460), (9560, 1747309), (11140, 1499486), (12548, 1331230), (15685, 1064984), (22280, 749743), (25096, 665615), (31370, 532492), (62740, 266246), (125480, 133123)]