39459680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 102368448

約数和(自身を除く): 62908768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 311, 416, 488, 520, 610, 622, 793, 976, 1040, 1220, 1244, 1555, 1586, 1952, 2080, 2440, 2488, 3110, 3172, 3965, 4043, 4880, 4976, 6220, 6344, 7930, 8086, 9760, 9952, 12440, 12688, 15860, 16172, 18971, 20215, 24880, 25376, 31720, 32344, 37942, 40430, 49760, 63440, 64688, 75884, 80860, 94855, 126880, 129376, 151768, 161720, 189710, 246623, 303536, 323440, 379420, 493246, 607072, 646880, 758840, 986492, 1233115, 1517680, 1972984, 2466230, 3035360, 3945968, 4932460, 7891936, 9864920, 19729840, 39459680]

約数ペア:

[(1, 39459680), (2, 19729840), (4, 9864920), (5, 7891936), (8, 4932460), (10, 3945968), (13, 3035360), (16, 2466230), (20, 1972984), (26, 1517680), (32, 1233115), (40, 986492), (52, 758840), (61, 646880), (65, 607072), (80, 493246), (104, 379420), (122, 323440), (130, 303536), (160, 246623), (208, 189710), (244, 161720), (260, 151768), (305, 129376), (311, 126880), (416, 94855), (488, 80860), (520, 75884), (610, 64688), (622, 63440), (793, 49760), (976, 40430), (1040, 37942), (1220, 32344), (1244, 31720), (1555, 25376), (1586, 24880), (1952, 20215), (2080, 18971), (2440, 16172), (2488, 15860), (3110, 12688), (3172, 12440), (3965, 9952), (4043, 9760), (4880, 8086), (4976, 7930), (6220, 6344)]