40207000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1349

約数の個数: 64

約数和(自身を含む): 97194240

約数和(自身を除く): 56987240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1000, 1240, 1297, 1550, 2594, 3100, 3875, 5188, 6200, 6485, 7750, 10376, 12970, 15500, 25940, 31000, 32425, 40207, 51880, 64850, 80414, 129700, 160828, 162125, 201035, 259400, 321656, 324250, 402070, 648500, 804140, 1005175, 1297000, 1608280, 2010350, 4020700, 5025875, 8041400, 10051750, 20103500, 40207000]

約数ペア:

[(1, 40207000), (2, 20103500), (4, 10051750), (5, 8041400), (8, 5025875), (10, 4020700), (20, 2010350), (25, 1608280), (31, 1297000), (40, 1005175), (50, 804140), (62, 648500), (100, 402070), (124, 324250), (125, 321656), (155, 259400), (200, 201035), (248, 162125), (250, 160828), (310, 129700), (500, 80414), (620, 64850), (775, 51880), (1000, 40207), (1240, 32425), (1297, 31000), (1550, 25940), (2594, 15500), (3100, 12970), (3875, 10376), (5188, 7750), (6200, 6485)]