3980860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 9186912

約数和(自身を除く): 5206052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 251, 260, 305, 502, 610, 793, 1004, 1220, 1255, 1586, 2510, 3172, 3263, 3965, 5020, 6526, 7930, 13052, 15311, 15860, 16315, 30622, 32630, 61244, 65260, 76555, 153110, 199043, 306220, 398086, 796172, 995215, 1990430, 3980860]

約数ペア:

[(1, 3980860), (2, 1990430), (4, 995215), (5, 796172), (10, 398086), (13, 306220), (20, 199043), (26, 153110), (52, 76555), (61, 65260), (65, 61244), (122, 32630), (130, 30622), (244, 16315), (251, 15860), (260, 15311), (305, 13052), (502, 7930), (610, 6526), (793, 5020), (1004, 3965), (1220, 3263), (1255, 3172), (1586, 2510)]