2000488960

素因数分解:

$2^9\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4517}}^1$

素因数の和:4713

約数の個数: 80

約数和(自身を含む): 4825278216

約数和(自身を除く): 2824789256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 512, 640, 692, 865, 1280, 1384, 1730, 2560, 2768, 3460, 4517, 5536, 6920, 9034, 11072, 13840, 18068, 22144, 22585, 27680, 36136, 44288, 45170, 55360, 72272, 88576, 90340, 110720, 144544, 180680, 221440, 289088, 361360, 442880, 578176, 722720, 781441, 1156352, 1445440, 1562882, 2312704, 2890880, 3125764, 3907205, 5781760, 6251528, 7814410, 11563520, 12503056, 15628820, 25006112, 31257640, 50012224, 62515280, 100024448, 125030560, 200048896, 250061120, 400097792, 500122240, 1000244480, 2000488960]

約数ペア:

[(1, 2000488960), (2, 1000244480), (4, 500122240), (5, 400097792), (8, 250061120), (10, 200048896), (16, 125030560), (20, 100024448), (32, 62515280), (40, 50012224), (64, 31257640), (80, 25006112), (128, 15628820), (160, 12503056), (173, 11563520), (256, 7814410), (320, 6251528), (346, 5781760), (512, 3907205), (640, 3125764), (692, 2890880), (865, 2312704), (1280, 1562882), (1384, 1445440), (1730, 1156352), (2560, 781441), (2768, 722720), (3460, 578176), (4517, 442880), (5536, 361360), (6920, 289088), (9034, 221440), (11072, 180680), (13840, 144544), (18068, 110720), (22144, 90340), (22585, 88576), (27680, 72272), (36136, 55360), (44288, 45170)]