795440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 40

約数和(自身を含む): 1891248

約数和(自身を除く): 1095808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 163, 244, 305, 326, 488, 610, 652, 815, 976, 1220, 1304, 1630, 2440, 2608, 3260, 4880, 6520, 9943, 13040, 19886, 39772, 49715, 79544, 99430, 159088, 198860, 397720, 795440]

約数ペア:

[(1, 795440), (2, 397720), (4, 198860), (5, 159088), (8, 99430), (10, 79544), (16, 49715), (20, 39772), (40, 19886), (61, 13040), (80, 9943), (122, 6520), (163, 4880), (244, 3260), (305, 2608), (326, 2440), (488, 1630), (610, 1304), (652, 1220), (815, 976)]