23281000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:803

約数の個数: 64

約数和(自身を含む): 56309760

約数和(自身を除く): 33028760

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, 751, 775, 1000, 1240, 1502, 1550, 3004, 3100, 3755, 3875, 6008, 6200, 7510, 7750, 15020, 15500, 18775, 23281, 30040, 31000, 37550, 46562, 75100, 93124, 93875, 116405, 150200, 186248, 187750, 232810, 375500, 465620, 582025, 751000, 931240, 1164050, 2328100, 2910125, 4656200, 5820250, 11640500, 23281000]

約数ペア:

[(1, 23281000), (2, 11640500), (4, 5820250), (5, 4656200), (8, 2910125), (10, 2328100), (20, 1164050), (25, 931240), (31, 751000), (40, 582025), (50, 465620), (62, 375500), (100, 232810), (124, 187750), (125, 186248), (155, 150200), (200, 116405), (248, 93875), (250, 93124), (310, 75100), (500, 46562), (620, 37550), (751, 31000), (775, 30040), (1000, 23281), (1240, 18775), (1502, 15500), (1550, 15020), (3004, 7750), (3100, 7510), (3755, 6200), (3875, 6008)]