215800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 546840

約数和(自身を除く): 331040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 83, 100, 104, 130, 166, 200, 260, 325, 332, 415, 520, 650, 664, 830, 1079, 1300, 1660, 2075, 2158, 2600, 3320, 4150, 4316, 5395, 8300, 8632, 10790, 16600, 21580, 26975, 43160, 53950, 107900, 215800]

約数ペア:

[(1, 215800), (2, 107900), (4, 53950), (5, 43160), (8, 26975), (10, 21580), (13, 16600), (20, 10790), (25, 8632), (26, 8300), (40, 5395), (50, 4316), (52, 4150), (65, 3320), (83, 2600), (100, 2158), (104, 2075), (130, 1660), (166, 1300), (200, 1079), (260, 830), (325, 664), (332, 650), (415, 520)]