13778260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 30385152

約数和(自身を除く): 16606892

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 313, 355, 620, 626, 710, 1252, 1420, 1565, 2201, 3130, 4402, 6260, 8804, 9703, 11005, 19406, 22010, 22223, 38812, 44020, 44446, 48515, 88892, 97030, 111115, 194060, 222230, 444460, 688913, 1377826, 2755652, 3444565, 6889130, 13778260]

約数ペア:

[(1, 13778260), (2, 6889130), (4, 3444565), (5, 2755652), (10, 1377826), (20, 688913), (31, 444460), (62, 222230), (71, 194060), (124, 111115), (142, 97030), (155, 88892), (284, 48515), (310, 44446), (313, 44020), (355, 38812), (620, 22223), (626, 22010), (710, 19406), (1252, 11005), (1420, 9703), (1565, 8804), (2201, 6260), (3130, 4402)]