74019920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 187404672

約数和(自身を除く): 113384752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 412, 515, 520, 691, 824, 1030, 1040, 1339, 1382, 1648, 2060, 2678, 2764, 3455, 4120, 5356, 5528, 6695, 6910, 8240, 8983, 10712, 11056, 13390, 13820, 17966, 21424, 26780, 27640, 35932, 44915, 53560, 55280, 71173, 71864, 89830, 107120, 142346, 143728, 179660, 284692, 355865, 359320, 569384, 711730, 718640, 925249, 1138768, 1423460, 1850498, 2846920, 3700996, 4626245, 5693840, 7401992, 9252490, 14803984, 18504980, 37009960, 74019920]

約数ペア:

[(1, 74019920), (2, 37009960), (4, 18504980), (5, 14803984), (8, 9252490), (10, 7401992), (13, 5693840), (16, 4626245), (20, 3700996), (26, 2846920), (40, 1850498), (52, 1423460), (65, 1138768), (80, 925249), (103, 718640), (104, 711730), (130, 569384), (206, 359320), (208, 355865), (260, 284692), (412, 179660), (515, 143728), (520, 142346), (691, 107120), (824, 89830), (1030, 71864), (1040, 71173), (1339, 55280), (1382, 53560), (1648, 44915), (2060, 35932), (2678, 27640), (2764, 26780), (3455, 21424), (4120, 17966), (5356, 13820), (5528, 13390), (6695, 11056), (6910, 10712), (8240, 8983)]