28553660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 61641216

約数和(自身を除く): 33087556

約数列:

[1, 2, 4, 5, 10, 20, 83, 103, 166, 167, 206, 332, 334, 412, 415, 515, 668, 830, 835, 1030, 1660, 1670, 2060, 3340, 8549, 13861, 17098, 17201, 27722, 34196, 34402, 42745, 55444, 68804, 69305, 85490, 86005, 138610, 170980, 172010, 277220, 344020, 1427683, 2855366, 5710732, 7138415, 14276830, 28553660]

約数ペア:

[(1, 28553660), (2, 14276830), (4, 7138415), (5, 5710732), (10, 2855366), (20, 1427683), (83, 344020), (103, 277220), (166, 172010), (167, 170980), (206, 138610), (332, 86005), (334, 85490), (412, 69305), (415, 68804), (515, 55444), (668, 42745), (830, 34402), (835, 34196), (1030, 27722), (1660, 17201), (1670, 17098), (2060, 13861), (3340, 8549)]