20253541240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{276839}}^1$

素因数の和:276940

約数の個数: 64

約数和(自身を含む): 47837952000

約数和(自身を除く): 27584410760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 472, 590, 620, 1180, 1240, 1829, 2360, 3658, 7316, 9145, 14632, 18290, 36580, 73160, 276839, 553678, 1107356, 1384195, 2214712, 2768390, 5536780, 8582009, 11073560, 16333501, 17164018, 32667002, 34328036, 42910045, 65334004, 68656072, 81667505, 85820090, 130668008, 163335010, 171640180, 326670020, 343280360, 506338531, 653340040, 1012677062, 2025354124, 2531692655, 4050708248, 5063385310, 10126770620, 20253541240]

約数ペア:

[(1, 20253541240), (2, 10126770620), (4, 5063385310), (5, 4050708248), (8, 2531692655), (10, 2025354124), (20, 1012677062), (31, 653340040), (40, 506338531), (59, 343280360), (62, 326670020), (118, 171640180), (124, 163335010), (155, 130668008), (236, 85820090), (248, 81667505), (295, 68656072), (310, 65334004), (472, 42910045), (590, 34328036), (620, 32667002), (1180, 17164018), (1240, 16333501), (1829, 11073560), (2360, 8582009), (3658, 5536780), (7316, 2768390), (9145, 2214712), (14632, 1384195), (18290, 1107356), (36580, 553678), (73160, 276839)]