80198750

素因数分解:

$2^1\times 5^4\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:878

約数の個数: 40

約数和(自身を含む): 152332488

約数和(自身を除く): 72133738

約数列:

[1, 2, 5, 10, 25, 50, 83, 125, 166, 250, 415, 625, 773, 830, 1250, 1546, 2075, 3865, 4150, 7730, 10375, 19325, 20750, 38650, 51875, 64159, 96625, 103750, 128318, 193250, 320795, 483125, 641590, 966250, 1603975, 3207950, 8019875, 16039750, 40099375, 80198750]

約数ペア:

[(1, 80198750), (2, 40099375), (5, 16039750), (10, 8019875), (25, 3207950), (50, 1603975), (83, 966250), (125, 641590), (166, 483125), (250, 320795), (415, 193250), (625, 128318), (773, 103750), (830, 96625), (1250, 64159), (1546, 51875), (2075, 38650), (3865, 20750), (4150, 19325), (7730, 10375)]