13010920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 18922520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 191, 260, 262, 382, 520, 524, 655, 764, 955, 1048, 1310, 1528, 1703, 1910, 2483, 2620, 3406, 3820, 4966, 5240, 6812, 7640, 8515, 9932, 12415, 13624, 17030, 19864, 24830, 25021, 34060, 49660, 50042, 68120, 99320, 100084, 125105, 200168, 250210, 325273, 500420, 650546, 1000840, 1301092, 1626365, 2602184, 3252730, 6505460, 13010920]

約数ペア:

[(1, 13010920), (2, 6505460), (4, 3252730), (5, 2602184), (8, 1626365), (10, 1301092), (13, 1000840), (20, 650546), (26, 500420), (40, 325273), (52, 250210), (65, 200168), (104, 125105), (130, 100084), (131, 99320), (191, 68120), (260, 50042), (262, 49660), (382, 34060), (520, 25021), (524, 24830), (655, 19864), (764, 17030), (955, 13624), (1048, 12415), (1310, 9932), (1528, 8515), (1703, 7640), (1910, 6812), (2483, 5240), (2620, 4966), (3406, 3820)]