13390450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 26355456

約数和(自身を除く): 12965006

約数列:

[1, 2, 5, 10, 25, 31, 50, 53, 62, 106, 155, 163, 265, 310, 326, 530, 775, 815, 1325, 1550, 1630, 1643, 2650, 3286, 4075, 5053, 8150, 8215, 8639, 10106, 16430, 17278, 25265, 41075, 43195, 50530, 82150, 86390, 126325, 215975, 252650, 267809, 431950, 535618, 1339045, 2678090, 6695225, 13390450]

約数ペア:

[(1, 13390450), (2, 6695225), (5, 2678090), (10, 1339045), (25, 535618), (31, 431950), (50, 267809), (53, 252650), (62, 215975), (106, 126325), (155, 86390), (163, 82150), (265, 50530), (310, 43195), (326, 41075), (530, 25265), (775, 17278), (815, 16430), (1325, 10106), (1550, 8639), (1630, 8215), (1643, 8150), (2650, 5053), (3286, 4075)]