39154820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{617}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 87212160

約数和(自身を除く): 48057340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 617, 668, 835, 1234, 1670, 2468, 3085, 3173, 3340, 6170, 6346, 11723, 12340, 12692, 15865, 23446, 31730, 46892, 58615, 63460, 103039, 117230, 206078, 234460, 412156, 515195, 1030390, 1957741, 2060780, 3915482, 7830964, 9788705, 19577410, 39154820]

約数ペア:

[(1, 39154820), (2, 19577410), (4, 9788705), (5, 7830964), (10, 3915482), (19, 2060780), (20, 1957741), (38, 1030390), (76, 515195), (95, 412156), (167, 234460), (190, 206078), (334, 117230), (380, 103039), (617, 63460), (668, 58615), (835, 46892), (1234, 31730), (1670, 23446), (2468, 15865), (3085, 12692), (3173, 12340), (3340, 11723), (6170, 6346)]