2007184640

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21481}}^1$

素因数の和:21575

約数の個数: 72

約数和(自身を含む): 4873922088

約数和(自身を除く): 2866737448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 584, 640, 730, 1168, 1280, 1460, 2336, 2920, 4672, 5840, 9344, 11680, 18688, 21481, 23360, 42962, 46720, 85924, 93440, 107405, 171848, 214810, 343696, 429620, 687392, 859240, 1374784, 1568113, 1718480, 2749568, 3136226, 3436960, 5499136, 6272452, 6873920, 7840565, 12544904, 13747840, 15681130, 25089808, 27495680, 31362260, 50179616, 62724520, 100359232, 125449040, 200718464, 250898080, 401436928, 501796160, 1003592320, 2007184640]

約数ペア:

[(1, 2007184640), (2, 1003592320), (4, 501796160), (5, 401436928), (8, 250898080), (10, 200718464), (16, 125449040), (20, 100359232), (32, 62724520), (40, 50179616), (64, 31362260), (73, 27495680), (80, 25089808), (128, 15681130), (146, 13747840), (160, 12544904), (256, 7840565), (292, 6873920), (320, 6272452), (365, 5499136), (584, 3436960), (640, 3136226), (730, 2749568), (1168, 1718480), (1280, 1568113), (1460, 1374784), (2336, 859240), (2920, 687392), (4672, 429620), (5840, 343696), (9344, 214810), (11680, 171848), (18688, 107405), (21481, 93440), (23360, 85924), (42962, 46720)]