100438640

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3793}}^1$

素因数の和:4137

約数の個数: 40

約数和(自身を含む): 234287088

約数和(自身を除く): 133848448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 3793, 5296, 6620, 7586, 13240, 15172, 18965, 26480, 30344, 37930, 60688, 75860, 151720, 303440, 1255483, 2510966, 5021932, 6277415, 10043864, 12554830, 20087728, 25109660, 50219320, 100438640]

約数ペア:

[(1, 100438640), (2, 50219320), (4, 25109660), (5, 20087728), (8, 12554830), (10, 10043864), (16, 6277415), (20, 5021932), (40, 2510966), (80, 1255483), (331, 303440), (662, 151720), (1324, 75860), (1655, 60688), (2648, 37930), (3310, 30344), (3793, 26480), (5296, 18965), (6620, 15172), (7586, 13240)]