40961970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{21673}}^1$

素因数の和:21696

約数の個数: 64

約数和(自身を含む): 124842240

約数和(自身を除く): 83880270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 21673, 43346, 65019, 108365, 130038, 151711, 195057, 216730, 303422, 325095, 390114, 455133, 585171, 650190, 758555, 910266, 975285, 1170342, 1365399, 1517110, 1950570, 2275665, 2730798, 2925855, 4096197, 4551330, 5851710, 6826995, 8192394, 13653990, 20480985, 40961970]

約数ペア:

[(1, 40961970), (2, 20480985), (3, 13653990), (5, 8192394), (6, 6826995), (7, 5851710), (9, 4551330), (10, 4096197), (14, 2925855), (15, 2730798), (18, 2275665), (21, 1950570), (27, 1517110), (30, 1365399), (35, 1170342), (42, 975285), (45, 910266), (54, 758555), (63, 650190), (70, 585171), (90, 455133), (105, 390114), (126, 325095), (135, 303422), (189, 216730), (210, 195057), (270, 151711), (315, 130038), (378, 108365), (630, 65019), (945, 43346), (1890, 21673)]