54210320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21859}}^1$

素因数の和:21903

約数の個数: 40

約数和(自身を含む): 130110720

約数和(自身を除く): 75900400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21859, 43718, 87436, 109295, 174872, 218590, 349744, 437180, 677629, 874360, 1355258, 1748720, 2710516, 3388145, 5421032, 6776290, 10842064, 13552580, 27105160, 54210320]

約数ペア:

[(1, 54210320), (2, 27105160), (4, 13552580), (5, 10842064), (8, 6776290), (10, 5421032), (16, 3388145), (20, 2710516), (31, 1748720), (40, 1355258), (62, 874360), (80, 677629), (124, 437180), (155, 349744), (248, 218590), (310, 174872), (496, 109295), (620, 87436), (1240, 43718), (2480, 21859)]