2141680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1441

約数の個数: 40

約数和(自身を含む): 5245200

約数和(自身を除く): 3103520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1409, 1520, 2818, 5636, 7045, 11272, 14090, 22544, 26771, 28180, 53542, 56360, 107084, 112720, 133855, 214168, 267710, 428336, 535420, 1070840, 2141680]

約数ペア:

[(1, 2141680), (2, 1070840), (4, 535420), (5, 428336), (8, 267710), (10, 214168), (16, 133855), (19, 112720), (20, 107084), (38, 56360), (40, 53542), (76, 28180), (80, 26771), (95, 22544), (152, 14090), (190, 11272), (304, 7045), (380, 5636), (760, 2818), (1409, 1520)]