25906700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 59412864

約数和(自身を除く): 33506164

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 137, 155, 244, 274, 305, 310, 548, 610, 620, 685, 775, 1220, 1370, 1525, 1550, 1891, 2740, 3050, 3100, 3425, 3782, 4247, 6100, 6850, 7564, 8357, 8494, 9455, 13700, 16714, 16988, 18910, 21235, 33428, 37820, 41785, 42470, 47275, 83570, 84940, 94550, 106175, 167140, 189100, 208925, 212350, 259067, 417850, 424700, 518134, 835700, 1036268, 1295335, 2590670, 5181340, 6476675, 12953350, 25906700]

約数ペア:

[(1, 25906700), (2, 12953350), (4, 6476675), (5, 5181340), (10, 2590670), (20, 1295335), (25, 1036268), (31, 835700), (50, 518134), (61, 424700), (62, 417850), (100, 259067), (122, 212350), (124, 208925), (137, 189100), (155, 167140), (244, 106175), (274, 94550), (305, 84940), (310, 83570), (548, 47275), (610, 42470), (620, 41785), (685, 37820), (775, 33428), (1220, 21235), (1370, 18910), (1525, 16988), (1550, 16714), (1891, 13700), (2740, 9455), (3050, 8494), (3100, 8357), (3425, 7564), (3782, 6850), (4247, 6100)]