13366880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4397}}^1$

素因数の和:4431

約数の個数: 48

約数和(自身を含む): 33248880

約数和(自身を除く): 19882000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 4397, 8794, 17588, 21985, 35176, 43970, 70352, 83543, 87940, 140704, 167086, 175880, 334172, 351760, 417715, 668344, 703520, 835430, 1336688, 1670860, 2673376, 3341720, 6683440, 13366880]

約数ペア:

[(1, 13366880), (2, 6683440), (4, 3341720), (5, 2673376), (8, 1670860), (10, 1336688), (16, 835430), (19, 703520), (20, 668344), (32, 417715), (38, 351760), (40, 334172), (76, 175880), (80, 167086), (95, 140704), (152, 87940), (160, 83543), (190, 70352), (304, 43970), (380, 35176), (608, 21985), (760, 17588), (1520, 8794), (3040, 4397)]