91143880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28843}}^1$

素因数の和:28933

約数の個数: 32

約数和(自身を含む): 207676800

約数和(自身を除く): 116532920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28843, 57686, 115372, 144215, 230744, 288430, 576860, 1153720, 2278597, 4557194, 9114388, 11392985, 18228776, 22785970, 45571940, 91143880]

約数ペア:

[(1, 91143880), (2, 45571940), (4, 22785970), (5, 18228776), (8, 11392985), (10, 9114388), (20, 4557194), (40, 2278597), (79, 1153720), (158, 576860), (316, 288430), (395, 230744), (632, 144215), (790, 115372), (1580, 57686), (3160, 28843)]