16301240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 39204000

約数和(自身を除く): 22902760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 241, 356, 380, 445, 482, 712, 760, 890, 964, 1205, 1691, 1780, 1928, 2410, 3382, 3560, 4579, 4820, 6764, 8455, 9158, 9640, 13528, 16910, 18316, 21449, 22895, 33820, 36632, 42898, 45790, 67640, 85796, 91580, 107245, 171592, 183160, 214490, 407531, 428980, 815062, 857960, 1630124, 2037655, 3260248, 4075310, 8150620, 16301240]

約数ペア:

[(1, 16301240), (2, 8150620), (4, 4075310), (5, 3260248), (8, 2037655), (10, 1630124), (19, 857960), (20, 815062), (38, 428980), (40, 407531), (76, 214490), (89, 183160), (95, 171592), (152, 107245), (178, 91580), (190, 85796), (241, 67640), (356, 45790), (380, 42898), (445, 36632), (482, 33820), (712, 22895), (760, 21449), (890, 18316), (964, 16910), (1205, 13528), (1691, 9640), (1780, 9158), (1928, 8455), (2410, 6764), (3382, 4820), (3560, 4579)]