7863440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7561}}^1$

素因数の和:7587

約数の個数: 40

約数和(自身を含む): 19691448

約数和(自身を除く): 11828008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7561, 15122, 30244, 37805, 60488, 75610, 98293, 120976, 151220, 196586, 302440, 393172, 491465, 604880, 786344, 982930, 1572688, 1965860, 3931720, 7863440]

約数ペア:

[(1, 7863440), (2, 3931720), (4, 1965860), (5, 1572688), (8, 982930), (10, 786344), (13, 604880), (16, 491465), (20, 393172), (26, 302440), (40, 196586), (52, 151220), (65, 120976), (80, 98293), (104, 75610), (130, 60488), (208, 37805), (260, 30244), (520, 15122), (1040, 7561)]