28399160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 66156480

約数和(自身を除く): 37757320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 103, 113, 122, 206, 226, 244, 305, 412, 452, 488, 515, 565, 610, 824, 904, 1030, 1130, 1220, 2060, 2260, 2440, 4120, 4520, 6283, 6893, 11639, 12566, 13786, 23278, 25132, 27572, 31415, 34465, 46556, 50264, 55144, 58195, 62830, 68930, 93112, 116390, 125660, 137860, 232780, 251320, 275720, 465560, 709979, 1419958, 2839916, 3549895, 5679832, 7099790, 14199580, 28399160]

約数ペア:

[(1, 28399160), (2, 14199580), (4, 7099790), (5, 5679832), (8, 3549895), (10, 2839916), (20, 1419958), (40, 709979), (61, 465560), (103, 275720), (113, 251320), (122, 232780), (206, 137860), (226, 125660), (244, 116390), (305, 93112), (412, 68930), (452, 62830), (488, 58195), (515, 55144), (565, 50264), (610, 46556), (824, 34465), (904, 31415), (1030, 27572), (1130, 25132), (1220, 23278), (2060, 13786), (2260, 12566), (2440, 11639), (4120, 6893), (4520, 6283)]