54400040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1$

素因数の和:2370

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 78655960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2309, 2356, 2945, 4618, 4712, 5890, 9236, 11545, 11780, 18472, 23090, 23560, 43871, 46180, 71579, 87742, 92360, 143158, 175484, 219355, 286316, 350968, 357895, 438710, 572632, 715790, 877420, 1360001, 1431580, 1754840, 2720002, 2863160, 5440004, 6800005, 10880008, 13600010, 27200020, 54400040]

約数ペア:

[(1, 54400040), (2, 27200020), (4, 13600010), (5, 10880008), (8, 6800005), (10, 5440004), (19, 2863160), (20, 2720002), (31, 1754840), (38, 1431580), (40, 1360001), (62, 877420), (76, 715790), (95, 572632), (124, 438710), (152, 357895), (155, 350968), (190, 286316), (248, 219355), (310, 175484), (380, 143158), (589, 92360), (620, 87742), (760, 71579), (1178, 46180), (1240, 43871), (2309, 23560), (2356, 23090), (2945, 18472), (4618, 11780), (4712, 11545), (5890, 9236)]