72908860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 156473856

約数和(自身を除く): 83564996

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 167, 263, 332, 334, 415, 526, 668, 830, 835, 1052, 1315, 1660, 1670, 2630, 3340, 5260, 13861, 21829, 27722, 43658, 43921, 55444, 69305, 87316, 87842, 109145, 138610, 175684, 218290, 219605, 277220, 436580, 439210, 878420, 3645443, 7290886, 14581772, 18227215, 36454430, 72908860]

約数ペア:

[(1, 72908860), (2, 36454430), (4, 18227215), (5, 14581772), (10, 7290886), (20, 3645443), (83, 878420), (166, 439210), (167, 436580), (263, 277220), (332, 219605), (334, 218290), (415, 175684), (526, 138610), (668, 109145), (830, 87842), (835, 87316), (1052, 69305), (1315, 55444), (1660, 43921), (1670, 43658), (2630, 27722), (3340, 21829), (5260, 13861)]