77879750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 162279936

約数和(自身を除く): 84400186

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 325, 403, 650, 773, 775, 806, 1546, 1550, 1625, 2015, 3250, 3865, 3875, 4030, 7730, 7750, 10049, 10075, 19325, 20098, 20150, 23963, 38650, 47926, 50245, 50375, 96625, 100490, 100750, 119815, 193250, 239630, 251225, 311519, 502450, 599075, 623038, 1198150, 1256125, 1557595, 2512250, 2995375, 3115190, 5990750, 7787975, 15575950, 38939875, 77879750]

約数ペア:

[(1, 77879750), (2, 38939875), (5, 15575950), (10, 7787975), (13, 5990750), (25, 3115190), (26, 2995375), (31, 2512250), (50, 1557595), (62, 1256125), (65, 1198150), (125, 623038), (130, 599075), (155, 502450), (250, 311519), (310, 251225), (325, 239630), (403, 193250), (650, 119815), (773, 100750), (775, 100490), (806, 96625), (1546, 50375), (1550, 50245), (1625, 47926), (2015, 38650), (3250, 23963), (3865, 20150), (3875, 20098), (4030, 19325), (7730, 10075), (7750, 10049)]