72405800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5099}}^1$

素因数の和:5186

約数の個数: 48

約数和(自身を含む): 170748000

約数和(自身を除く): 98342200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 5099, 7100, 10198, 14200, 20396, 25495, 40792, 50990, 101980, 127475, 203960, 254950, 362029, 509900, 724058, 1019800, 1448116, 1810145, 2896232, 3620290, 7240580, 9050725, 14481160, 18101450, 36202900, 72405800]

約数ペア:

[(1, 72405800), (2, 36202900), (4, 18101450), (5, 14481160), (8, 9050725), (10, 7240580), (20, 3620290), (25, 2896232), (40, 1810145), (50, 1448116), (71, 1019800), (100, 724058), (142, 509900), (200, 362029), (284, 254950), (355, 203960), (568, 127475), (710, 101980), (1420, 50990), (1775, 40792), (2840, 25495), (3550, 20396), (5099, 14200), (7100, 10198)]