78606320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75583}}^1$

素因数の和:75609

約数の個数: 40

約数和(自身を含む): 196820736

約数和(自身を除く): 118214416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75583, 151166, 302332, 377915, 604664, 755830, 982579, 1209328, 1511660, 1965158, 3023320, 3930316, 4912895, 6046640, 7860632, 9825790, 15721264, 19651580, 39303160, 78606320]

約数ペア:

[(1, 78606320), (2, 39303160), (4, 19651580), (5, 15721264), (8, 9825790), (10, 7860632), (13, 6046640), (16, 4912895), (20, 3930316), (26, 3023320), (40, 1965158), (52, 1511660), (65, 1209328), (80, 982579), (104, 755830), (130, 604664), (208, 377915), (260, 302332), (520, 151166), (1040, 75583)]