39784420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9001}}^1$

素因数の和:9040

約数の個数: 48

約数和(自身を含む): 95277168

約数和(自身を除く): 55492748

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 9001, 18002, 36004, 45005, 90010, 117013, 153017, 180020, 234026, 306034, 468052, 585065, 612068, 765085, 1170130, 1530170, 1989221, 2340260, 3060340, 3978442, 7956884, 9946105, 19892210, 39784420]

約数ペア:

[(1, 39784420), (2, 19892210), (4, 9946105), (5, 7956884), (10, 3978442), (13, 3060340), (17, 2340260), (20, 1989221), (26, 1530170), (34, 1170130), (52, 765085), (65, 612068), (68, 585065), (85, 468052), (130, 306034), (170, 234026), (221, 180020), (260, 153017), (340, 117013), (442, 90010), (884, 45005), (1105, 36004), (2210, 18002), (4420, 9001)]