13866920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 32970240

約数和(自身を除く): 19103320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 211, 212, 248, 265, 310, 422, 424, 530, 620, 844, 1055, 1060, 1240, 1643, 1688, 2110, 2120, 3286, 4220, 6541, 6572, 8215, 8440, 11183, 13082, 13144, 16430, 22366, 26164, 32705, 32860, 44732, 52328, 55915, 65410, 65720, 89464, 111830, 130820, 223660, 261640, 346673, 447320, 693346, 1386692, 1733365, 2773384, 3466730, 6933460, 13866920]

約数ペア:

[(1, 13866920), (2, 6933460), (4, 3466730), (5, 2773384), (8, 1733365), (10, 1386692), (20, 693346), (31, 447320), (40, 346673), (53, 261640), (62, 223660), (106, 130820), (124, 111830), (155, 89464), (211, 65720), (212, 65410), (248, 55915), (265, 52328), (310, 44732), (422, 32860), (424, 32705), (530, 26164), (620, 22366), (844, 16430), (1055, 13144), (1060, 13082), (1240, 11183), (1643, 8440), (1688, 8215), (2110, 6572), (2120, 6541), (3286, 4220)]