65138750

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:135

約数の個数: 60

約数和(自身を含む): 129183648

約数和(自身を除く): 64044898

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 125, 155, 205, 250, 310, 410, 625, 775, 1025, 1250, 1271, 1550, 1681, 2050, 2542, 3362, 3875, 5125, 6355, 7750, 8405, 10250, 12710, 16810, 19375, 25625, 31775, 38750, 42025, 51250, 52111, 63550, 84050, 104222, 158875, 210125, 260555, 317750, 420250, 521110, 794375, 1050625, 1302775, 1588750, 2101250, 2605550, 6513875, 13027750, 32569375, 65138750]

約数ペア:

[(1, 65138750), (2, 32569375), (5, 13027750), (10, 6513875), (25, 2605550), (31, 2101250), (41, 1588750), (50, 1302775), (62, 1050625), (82, 794375), (125, 521110), (155, 420250), (205, 317750), (250, 260555), (310, 210125), (410, 158875), (625, 104222), (775, 84050), (1025, 63550), (1250, 52111), (1271, 51250), (1550, 42025), (1681, 38750), (2050, 31775), (2542, 25625), (3362, 19375), (3875, 16810), (5125, 12710), (6355, 10250), (7750, 8405)]