40905920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11621}}^1$

素因数の和:11649

約数の個数: 56

約数和(自身を含む): 106271568

約数和(自身を除く): 65365648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 11621, 23242, 46484, 58105, 92968, 116210, 127831, 185936, 232420, 255662, 371872, 464840, 511324, 639155, 743744, 929680, 1022648, 1278310, 1859360, 2045296, 2556620, 3718720, 4090592, 5113240, 8181184, 10226480, 20452960, 40905920]

約数ペア:

[(1, 40905920), (2, 20452960), (4, 10226480), (5, 8181184), (8, 5113240), (10, 4090592), (11, 3718720), (16, 2556620), (20, 2045296), (22, 1859360), (32, 1278310), (40, 1022648), (44, 929680), (55, 743744), (64, 639155), (80, 511324), (88, 464840), (110, 371872), (160, 255662), (176, 232420), (220, 185936), (320, 127831), (352, 116210), (440, 92968), (704, 58105), (880, 46484), (1760, 23242), (3520, 11621)]