16284920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 39536640

約数和(自身を除く): 23251720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 571, 620, 713, 920, 1142, 1240, 1426, 2284, 2852, 2855, 3565, 4568, 5704, 5710, 7130, 11420, 13133, 14260, 17701, 22840, 26266, 28520, 35402, 52532, 65665, 70804, 88505, 105064, 131330, 141608, 177010, 262660, 354020, 407123, 525320, 708040, 814246, 1628492, 2035615, 3256984, 4071230, 8142460, 16284920]

約数ペア:

[(1, 16284920), (2, 8142460), (4, 4071230), (5, 3256984), (8, 2035615), (10, 1628492), (20, 814246), (23, 708040), (31, 525320), (40, 407123), (46, 354020), (62, 262660), (92, 177010), (115, 141608), (124, 131330), (155, 105064), (184, 88505), (230, 70804), (248, 65665), (310, 52532), (460, 35402), (571, 28520), (620, 26266), (713, 22840), (920, 17701), (1142, 14260), (1240, 13133), (1426, 11420), (2284, 7130), (2852, 5710), (2855, 5704), (3565, 4568)]