16497040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 44461440

約数和(自身を除く): 27964400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 331, 356, 445, 560, 623, 662, 712, 890, 1246, 1324, 1424, 1655, 1780, 2317, 2492, 2648, 3115, 3310, 3560, 4634, 4984, 5296, 6230, 6620, 7120, 9268, 9968, 11585, 12460, 13240, 18536, 23170, 24920, 26480, 29459, 37072, 46340, 49840, 58918, 92680, 117836, 147295, 185360, 206213, 235672, 294590, 412426, 471344, 589180, 824852, 1031065, 1178360, 1649704, 2062130, 2356720, 3299408, 4124260, 8248520, 16497040]

約数ペア:

[(1, 16497040), (2, 8248520), (4, 4124260), (5, 3299408), (7, 2356720), (8, 2062130), (10, 1649704), (14, 1178360), (16, 1031065), (20, 824852), (28, 589180), (35, 471344), (40, 412426), (56, 294590), (70, 235672), (80, 206213), (89, 185360), (112, 147295), (140, 117836), (178, 92680), (280, 58918), (331, 49840), (356, 46340), (445, 37072), (560, 29459), (623, 26480), (662, 24920), (712, 23170), (890, 18536), (1246, 13240), (1324, 12460), (1424, 11585), (1655, 9968), (1780, 9268), (2317, 7120), (2492, 6620), (2648, 6230), (3115, 5296), (3310, 4984), (3560, 4634)]