31573750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 80

約数和(自身を含む): 66916080

約数和(自身を除く): 35342330

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 67, 125, 130, 134, 145, 250, 290, 325, 335, 377, 625, 650, 670, 725, 754, 871, 1250, 1450, 1625, 1675, 1742, 1885, 1943, 3250, 3350, 3625, 3770, 3886, 4355, 7250, 8125, 8375, 8710, 9425, 9715, 16250, 16750, 18125, 18850, 19430, 21775, 25259, 36250, 41875, 43550, 47125, 48575, 50518, 83750, 94250, 97150, 108875, 126295, 217750, 235625, 242875, 252590, 471250, 485750, 544375, 631475, 1088750, 1214375, 1262950, 2428750, 3157375, 6314750, 15786875, 31573750]

約数ペア:

[(1, 31573750), (2, 15786875), (5, 6314750), (10, 3157375), (13, 2428750), (25, 1262950), (26, 1214375), (29, 1088750), (50, 631475), (58, 544375), (65, 485750), (67, 471250), (125, 252590), (130, 242875), (134, 235625), (145, 217750), (250, 126295), (290, 108875), (325, 97150), (335, 94250), (377, 83750), (625, 50518), (650, 48575), (670, 47125), (725, 43550), (754, 41875), (871, 36250), (1250, 25259), (1450, 21775), (1625, 19430), (1675, 18850), (1742, 18125), (1885, 16750), (1943, 16250), (3250, 9715), (3350, 9425), (3625, 8710), (3770, 8375), (3886, 8125), (4355, 7250)]