7090640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1527

約数の個数: 40

約数和(自身を含む): 16767528

約数和(自身を除く): 9676888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1453, 2440, 2906, 4880, 5812, 7265, 11624, 14530, 23248, 29060, 58120, 88633, 116240, 177266, 354532, 443165, 709064, 886330, 1418128, 1772660, 3545320, 7090640]

約数ペア:

[(1, 7090640), (2, 3545320), (4, 1772660), (5, 1418128), (8, 886330), (10, 709064), (16, 443165), (20, 354532), (40, 177266), (61, 116240), (80, 88633), (122, 58120), (244, 29060), (305, 23248), (488, 14530), (610, 11624), (976, 7265), (1220, 5812), (1453, 4880), (2440, 2906)]