28854280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7927}}^1$

素因数の和:7958

約数の個数: 64

約数和(自身を含む): 79914240

約数和(自身を除く): 51059960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 7927, 15854, 31708, 39635, 55489, 63416, 79270, 103051, 110978, 158540, 206102, 221956, 277445, 317080, 412204, 443912, 515255, 554890, 721357, 824408, 1030510, 1109780, 1442714, 2061020, 2219560, 2885428, 3606785, 4122040, 5770856, 7213570, 14427140, 28854280]

約数ペア:

[(1, 28854280), (2, 14427140), (4, 7213570), (5, 5770856), (7, 4122040), (8, 3606785), (10, 2885428), (13, 2219560), (14, 2061020), (20, 1442714), (26, 1109780), (28, 1030510), (35, 824408), (40, 721357), (52, 554890), (56, 515255), (65, 443912), (70, 412204), (91, 317080), (104, 277445), (130, 221956), (140, 206102), (182, 158540), (260, 110978), (280, 103051), (364, 79270), (455, 63416), (520, 55489), (728, 39635), (910, 31708), (1820, 15854), (3640, 7927)]