16809440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3435

約数の個数: 48

約数和(自身を含む): 41005440

約数和(自身を除く): 24196000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3389, 4960, 6778, 13556, 16945, 27112, 33890, 54224, 67780, 105059, 108448, 135560, 210118, 271120, 420236, 525295, 542240, 840472, 1050590, 1680944, 2101180, 3361888, 4202360, 8404720, 16809440]

約数ペア:

[(1, 16809440), (2, 8404720), (4, 4202360), (5, 3361888), (8, 2101180), (10, 1680944), (16, 1050590), (20, 840472), (31, 542240), (32, 525295), (40, 420236), (62, 271120), (80, 210118), (124, 135560), (155, 108448), (160, 105059), (248, 67780), (310, 54224), (496, 33890), (620, 27112), (992, 16945), (1240, 13556), (2480, 6778), (3389, 4960)]