13001780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 30106944

約数和(自身を除く): 17105164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 523, 565, 1046, 1130, 1243, 2092, 2260, 2486, 2615, 4972, 5230, 5753, 6215, 10460, 11506, 12430, 23012, 24860, 28765, 57530, 59099, 115060, 118198, 236396, 295495, 590990, 650089, 1181980, 1300178, 2600356, 3250445, 6500890, 13001780]

約数ペア:

[(1, 13001780), (2, 6500890), (4, 3250445), (5, 2600356), (10, 1300178), (11, 1181980), (20, 650089), (22, 590990), (44, 295495), (55, 236396), (110, 118198), (113, 115060), (220, 59099), (226, 57530), (452, 28765), (523, 24860), (565, 23012), (1046, 12430), (1130, 11506), (1243, 10460), (2092, 6215), (2260, 5753), (2486, 5230), (2615, 4972)]