40808900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1661

約数の個数: 72

約数和(自身を含む): 100868544

約数和(自身を除く): 60059644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1265, 1613, 2300, 2530, 3226, 5060, 6325, 6452, 8065, 12650, 16130, 17743, 25300, 32260, 35486, 37099, 40325, 70972, 74198, 80650, 88715, 148396, 161300, 177430, 185495, 354860, 370990, 408089, 443575, 741980, 816178, 887150, 927475, 1632356, 1774300, 1854950, 2040445, 3709900, 4080890, 8161780, 10202225, 20404450, 40808900]

約数ペア:

[(1, 40808900), (2, 20404450), (4, 10202225), (5, 8161780), (10, 4080890), (11, 3709900), (20, 2040445), (22, 1854950), (23, 1774300), (25, 1632356), (44, 927475), (46, 887150), (50, 816178), (55, 741980), (92, 443575), (100, 408089), (110, 370990), (115, 354860), (220, 185495), (230, 177430), (253, 161300), (275, 148396), (460, 88715), (506, 80650), (550, 74198), (575, 70972), (1012, 40325), (1100, 37099), (1150, 35486), (1265, 32260), (1613, 25300), (2300, 17743), (2530, 16130), (3226, 12650), (5060, 8065), (6325, 6452)]