15726880

素因数分解:

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

素因数の和:7589

約数の個数: 48

約数和(自身を含む): 40018104

約数和(自身を除く): 24291224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7561, 15122, 30244, 37805, 60488, 75610, 98293, 120976, 151220, 196586, 241952, 302440, 393172, 491465, 604880, 786344, 982930, 1209760, 1572688, 1965860, 3145376, 3931720, 7863440, 15726880]

約数ペア:

[(1, 15726880), (2, 7863440), (4, 3931720), (5, 3145376), (8, 1965860), (10, 1572688), (13, 1209760), (16, 982930), (20, 786344), (26, 604880), (32, 491465), (40, 393172), (52, 302440), (65, 241952), (80, 196586), (104, 151220), (130, 120976), (160, 98293), (208, 75610), (260, 60488), (416, 37805), (520, 30244), (1040, 15122), (2080, 7561)]