20732000

素因数分解:

$2^5\times 5^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 52363584

約数和(自身を除く): 31631584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 73, 80, 100, 125, 142, 146, 160, 200, 250, 284, 292, 355, 365, 400, 500, 568, 584, 710, 730, 800, 1000, 1136, 1168, 1420, 1460, 1775, 1825, 2000, 2272, 2336, 2840, 2920, 3550, 3650, 4000, 5183, 5680, 5840, 7100, 7300, 8875, 9125, 10366, 11360, 11680, 14200, 14600, 17750, 18250, 20732, 25915, 28400, 29200, 35500, 36500, 41464, 51830, 56800, 58400, 71000, 73000, 82928, 103660, 129575, 142000, 146000, 165856, 207320, 259150, 284000, 292000, 414640, 518300, 647875, 829280, 1036600, 1295750, 2073200, 2591500, 4146400, 5183000, 10366000, 20732000]

約数ペア:

[(1, 20732000), (2, 10366000), (4, 5183000), (5, 4146400), (8, 2591500), (10, 2073200), (16, 1295750), (20, 1036600), (25, 829280), (32, 647875), (40, 518300), (50, 414640), (71, 292000), (73, 284000), (80, 259150), (100, 207320), (125, 165856), (142, 146000), (146, 142000), (160, 129575), (200, 103660), (250, 82928), (284, 73000), (292, 71000), (355, 58400), (365, 56800), (400, 51830), (500, 41464), (568, 36500), (584, 35500), (710, 29200), (730, 28400), (800, 25915), (1000, 20732), (1136, 18250), (1168, 17750), (1420, 14600), (1460, 14200), (1775, 11680), (1825, 11360), (2000, 10366), (2272, 9125), (2336, 8875), (2840, 7300), (2920, 7100), (3550, 5840), (3650, 5680), (4000, 5183)]