40144020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{95581}}^1$

素因数の和:95600

約数の個数: 48

約数和(自身を含む): 128462208

約数和(自身を除く): 88318188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 95581, 191162, 286743, 382324, 477905, 573486, 669067, 955810, 1146972, 1338134, 1433715, 1911620, 2007201, 2676268, 2867430, 3345335, 4014402, 5734860, 6690670, 8028804, 10036005, 13381340, 20072010, 40144020]

約数ペア:

[(1, 40144020), (2, 20072010), (3, 13381340), (4, 10036005), (5, 8028804), (6, 6690670), (7, 5734860), (10, 4014402), (12, 3345335), (14, 2867430), (15, 2676268), (20, 2007201), (21, 1911620), (28, 1433715), (30, 1338134), (35, 1146972), (42, 955810), (60, 669067), (70, 573486), (84, 477905), (105, 382324), (140, 286743), (210, 191162), (420, 95581)]