204570880

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2343

約数の個数: 72

約数和(自身を含む): 497133504

約数和(自身を除く): 292562624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 2251, 2272, 2840, 4502, 4544, 5680, 9004, 9088, 11255, 11360, 18008, 18176, 22510, 22720, 36016, 45020, 45440, 72032, 90040, 90880, 144064, 159821, 180080, 288128, 319642, 360160, 576256, 639284, 720320, 799105, 1278568, 1440640, 1598210, 2557136, 2881280, 3196420, 5114272, 6392840, 10228544, 12785680, 20457088, 25571360, 40914176, 51142720, 102285440, 204570880]

約数ペア:

[(1, 204570880), (2, 102285440), (4, 51142720), (5, 40914176), (8, 25571360), (10, 20457088), (16, 12785680), (20, 10228544), (32, 6392840), (40, 5114272), (64, 3196420), (71, 2881280), (80, 2557136), (128, 1598210), (142, 1440640), (160, 1278568), (256, 799105), (284, 720320), (320, 639284), (355, 576256), (568, 360160), (640, 319642), (710, 288128), (1136, 180080), (1280, 159821), (1420, 144064), (2251, 90880), (2272, 90040), (2840, 72032), (4502, 45440), (4544, 45020), (5680, 36016), (9004, 22720), (9088, 22510), (11255, 18176), (11360, 18008)]