2164843960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1\times {\mathrm{1409}}^1$

素因数の和:2032

約数の個数: 64

約数和(自身を含む): 4952145600

約数和(自身を除く): 2787301640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 541, 568, 710, 1082, 1409, 1420, 2164, 2705, 2818, 2840, 4328, 5410, 5636, 7045, 10820, 11272, 14090, 21640, 28180, 38411, 56360, 76822, 100039, 153644, 192055, 200078, 307288, 384110, 400156, 500195, 762269, 768220, 800312, 1000390, 1524538, 1536440, 2000780, 3049076, 3811345, 4001560, 6098152, 7622690, 15245380, 30490760, 54121099, 108242198, 216484396, 270605495, 432968792, 541210990, 1082421980, 2164843960]

約数ペア:

[(1, 2164843960), (2, 1082421980), (4, 541210990), (5, 432968792), (8, 270605495), (10, 216484396), (20, 108242198), (40, 54121099), (71, 30490760), (142, 15245380), (284, 7622690), (355, 6098152), (541, 4001560), (568, 3811345), (710, 3049076), (1082, 2000780), (1409, 1536440), (1420, 1524538), (2164, 1000390), (2705, 800312), (2818, 768220), (2840, 762269), (4328, 500195), (5410, 400156), (5636, 384110), (7045, 307288), (10820, 200078), (11272, 192055), (14090, 153644), (21640, 100039), (28180, 76822), (38411, 56360)]