144435980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{555523}}^1$

素因数の和:555545

約数の個数: 24

約数和(自身を含む): 326648112

約数和(自身を除く): 182212132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 555523, 1111046, 2222092, 2777615, 5555230, 7221799, 11110460, 14443598, 28887196, 36108995, 72217990, 144435980]

約数ペア:

[(1, 144435980), (2, 72217990), (4, 36108995), (5, 28887196), (10, 14443598), (13, 11110460), (20, 7221799), (26, 5555230), (52, 2777615), (65, 2222092), (130, 1111046), (260, 555523)]