128515508750

素因数分解:

$2^1\times 5^4\times {\mathrm{967}}^1\times {\mathrm{106321}}^1$

素因数の和:107310

約数の個数: 40

約数和(自身を含む): 241140847728

約数和(自身を除く): 112625338978

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 967, 1250, 1934, 4835, 9670, 24175, 48350, 106321, 120875, 212642, 241750, 531605, 604375, 1063210, 1208750, 2658025, 5316050, 13290125, 26580250, 66450625, 102812407, 132901250, 205624814, 514062035, 1028124070, 2570310175, 5140620350, 12851550875, 25703101750, 64257754375, 128515508750]

約数ペア:

[(1, 128515508750), (2, 64257754375), (5, 25703101750), (10, 12851550875), (25, 5140620350), (50, 2570310175), (125, 1028124070), (250, 514062035), (625, 205624814), (967, 132901250), (1250, 102812407), (1934, 66450625), (4835, 26580250), (9670, 13290125), (24175, 5316050), (48350, 2658025), (106321, 1208750), (120875, 1063210), (212642, 604375), (241750, 531605)]