31453760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7561}}^1$

素因数の和:7591

約数の個数: 56

約数和(自身を含む): 80671416

約数和(自身を除く): 49217656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 7561, 15122, 30244, 37805, 60488, 75610, 98293, 120976, 151220, 196586, 241952, 302440, 393172, 483904, 491465, 604880, 786344, 982930, 1209760, 1572688, 1965860, 2419520, 3145376, 3931720, 6290752, 7863440, 15726880, 31453760]

約数ペア:

[(1, 31453760), (2, 15726880), (4, 7863440), (5, 6290752), (8, 3931720), (10, 3145376), (13, 2419520), (16, 1965860), (20, 1572688), (26, 1209760), (32, 982930), (40, 786344), (52, 604880), (64, 491465), (65, 483904), (80, 393172), (104, 302440), (130, 241952), (160, 196586), (208, 151220), (260, 120976), (320, 98293), (416, 75610), (520, 60488), (832, 37805), (1040, 30244), (2080, 15122), (4160, 7561)]