40316420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 86788800

約数和(自身を除く): 46472380

約数列:

[1, 2, 4, 5, 10, 20, 83, 149, 163, 166, 298, 326, 332, 415, 596, 652, 745, 815, 830, 1490, 1630, 1660, 2980, 3260, 12367, 13529, 24287, 24734, 27058, 48574, 49468, 54116, 61835, 67645, 97148, 121435, 123670, 135290, 242870, 247340, 270580, 485740, 2015821, 4031642, 8063284, 10079105, 20158210, 40316420]

約数ペア:

[(1, 40316420), (2, 20158210), (4, 10079105), (5, 8063284), (10, 4031642), (20, 2015821), (83, 485740), (149, 270580), (163, 247340), (166, 242870), (298, 135290), (326, 123670), (332, 121435), (415, 97148), (596, 67645), (652, 61835), (745, 54116), (815, 49468), (830, 48574), (1490, 27058), (1630, 24734), (1660, 24287), (2980, 13529), (3260, 12367)]