78085020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{100109}}^1$

素因数の和:100134

約数の個数: 48

約数和(自身を含む): 235458720

約数和(自身を除く): 157373700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 100109, 200218, 300327, 400436, 500545, 600654, 1001090, 1201308, 1301417, 1501635, 2002180, 2602834, 3003270, 3904251, 5205668, 6006540, 6507085, 7808502, 13014170, 15617004, 19521255, 26028340, 39042510, 78085020]

約数ペア:

[(1, 78085020), (2, 39042510), (3, 26028340), (4, 19521255), (5, 15617004), (6, 13014170), (10, 7808502), (12, 6507085), (13, 6006540), (15, 5205668), (20, 3904251), (26, 3003270), (30, 2602834), (39, 2002180), (52, 1501635), (60, 1301417), (65, 1201308), (78, 1001090), (130, 600654), (156, 500545), (195, 400436), (260, 300327), (390, 200218), (780, 100109)]