201770840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{123031}}^1$

素因数の和:123083

約数の個数: 32

約数和(自身を含む): 465060960

約数和(自身を除く): 263290120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 123031, 246062, 492124, 615155, 984248, 1230310, 2460620, 4921240, 5044271, 10088542, 20177084, 25221355, 40354168, 50442710, 100885420, 201770840]

約数ペア:

[(1, 201770840), (2, 100885420), (4, 50442710), (5, 40354168), (8, 25221355), (10, 20177084), (20, 10088542), (40, 5044271), (41, 4921240), (82, 2460620), (164, 1230310), (205, 984248), (328, 615155), (410, 492124), (820, 246062), (1640, 123031)]