39663440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7067

約数の個数: 40

約数和(自身を含む): 93529728

約数和(自身を除く): 53866288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 6983, 13966, 27932, 34915, 55864, 69830, 111728, 139660, 279320, 495793, 558640, 991586, 1983172, 2478965, 3966344, 4957930, 7932688, 9915860, 19831720, 39663440]

約数ペア:

[(1, 39663440), (2, 19831720), (4, 9915860), (5, 7932688), (8, 4957930), (10, 3966344), (16, 2478965), (20, 1983172), (40, 991586), (71, 558640), (80, 495793), (142, 279320), (284, 139660), (355, 111728), (568, 69830), (710, 55864), (1136, 34915), (1420, 27932), (2840, 13966), (5680, 6983)]