5721980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 13547520

約数和(自身を除く): 7825540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 839, 1364, 1678, 1705, 3356, 3410, 4195, 6820, 8390, 9229, 16780, 18458, 26009, 36916, 46145, 52018, 92290, 104036, 130045, 184580, 260090, 286099, 520180, 572198, 1144396, 1430495, 2860990, 5721980]

約数ペア:

[(1, 5721980), (2, 2860990), (4, 1430495), (5, 1144396), (10, 572198), (11, 520180), (20, 286099), (22, 260090), (31, 184580), (44, 130045), (55, 104036), (62, 92290), (110, 52018), (124, 46145), (155, 36916), (220, 26009), (310, 18458), (341, 16780), (620, 9229), (682, 8390), (839, 6820), (1364, 4195), (1678, 3410), (1705, 3356)]