105012500

素因数分解:

$2^2\times 5^5\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 237984768

約数和(自身を除く): 132972268

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 271, 310, 500, 542, 620, 625, 775, 1084, 1250, 1355, 1550, 2500, 2710, 3100, 3125, 3875, 5420, 6250, 6775, 7750, 8401, 12500, 13550, 15500, 16802, 19375, 27100, 33604, 33875, 38750, 42005, 67750, 77500, 84010, 96875, 135500, 168020, 169375, 193750, 210025, 338750, 387500, 420050, 677500, 840100, 846875, 1050125, 1693750, 2100250, 3387500, 4200500, 5250625, 10501250, 21002500, 26253125, 52506250, 105012500]

約数ペア:

[(1, 105012500), (2, 52506250), (4, 26253125), (5, 21002500), (10, 10501250), (20, 5250625), (25, 4200500), (31, 3387500), (50, 2100250), (62, 1693750), (100, 1050125), (124, 846875), (125, 840100), (155, 677500), (250, 420050), (271, 387500), (310, 338750), (500, 210025), (542, 193750), (620, 169375), (625, 168020), (775, 135500), (1084, 96875), (1250, 84010), (1355, 77500), (1550, 67750), (2500, 42005), (2710, 38750), (3100, 33875), (3125, 33604), (3875, 27100), (5420, 19375), (6250, 16802), (6775, 15500), (7750, 13550), (8401, 12500)]