156964377940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4073}}^1\times {\mathrm{24391}}^1$

素因数の和:28552

約数の個数: 48

約数和(自身を含む): 333893306880

約数和(自身を除く): 176928928940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 4073, 8146, 16292, 20365, 24391, 40730, 48782, 81460, 97564, 121955, 243910, 321767, 487820, 643534, 1287068, 1608835, 1926889, 3217670, 3853778, 6435340, 7707556, 9634445, 19268890, 38537780, 99344543, 198689086, 397378172, 496722715, 993445430, 1986890860, 7848218897, 15696437794, 31392875588, 39241094485, 78482188970, 156964377940]

約数ペア:

[(1, 156964377940), (2, 78482188970), (4, 39241094485), (5, 31392875588), (10, 15696437794), (20, 7848218897), (79, 1986890860), (158, 993445430), (316, 496722715), (395, 397378172), (790, 198689086), (1580, 99344543), (4073, 38537780), (8146, 19268890), (16292, 9634445), (20365, 7707556), (24391, 6435340), (40730, 3853778), (48782, 3217670), (81460, 1926889), (97564, 1608835), (121955, 1287068), (243910, 643534), (321767, 487820)]