65532760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 156038400

約数和(自身を除く): 90505640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1289, 1640, 2542, 2578, 5084, 5156, 6355, 6445, 10168, 10312, 12710, 12890, 25420, 25780, 39959, 50840, 51560, 52849, 79918, 105698, 159836, 199795, 211396, 264245, 319672, 399590, 422792, 528490, 799180, 1056980, 1598360, 1638319, 2113960, 3276638, 6553276, 8191595, 13106552, 16383190, 32766380, 65532760]

約数ペア:

[(1, 65532760), (2, 32766380), (4, 16383190), (5, 13106552), (8, 8191595), (10, 6553276), (20, 3276638), (31, 2113960), (40, 1638319), (41, 1598360), (62, 1056980), (82, 799180), (124, 528490), (155, 422792), (164, 399590), (205, 319672), (248, 264245), (310, 211396), (328, 199795), (410, 159836), (620, 105698), (820, 79918), (1240, 52849), (1271, 51560), (1289, 50840), (1640, 39959), (2542, 25780), (2578, 25420), (5084, 12890), (5156, 12710), (6355, 10312), (6445, 10168)]