28218026800

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1331039}}^1$

素因数の和:1331110

約数の個数: 60

約数和(自身を含む): 69072989760

約数和(自身を除く): 40854962960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 1060, 1325, 2120, 2650, 4240, 5300, 10600, 21200, 1331039, 2662078, 5324156, 6655195, 10648312, 13310390, 21296624, 26620780, 33275975, 53241560, 66551950, 70545067, 106483120, 133103900, 141090134, 266207800, 282180268, 352725335, 532415600, 564360536, 705450670, 1128721072, 1410901340, 1763626675, 2821802680, 3527253350, 5643605360, 7054506700, 14109013400, 28218026800]

約数ペア:

[(1, 28218026800), (2, 14109013400), (4, 7054506700), (5, 5643605360), (8, 3527253350), (10, 2821802680), (16, 1763626675), (20, 1410901340), (25, 1128721072), (40, 705450670), (50, 564360536), (53, 532415600), (80, 352725335), (100, 282180268), (106, 266207800), (200, 141090134), (212, 133103900), (265, 106483120), (400, 70545067), (424, 66551950), (530, 53241560), (848, 33275975), (1060, 26620780), (1325, 21296624), (2120, 13310390), (2650, 10648312), (4240, 6655195), (5300, 5324156), (10600, 2662078), (21200, 1331039)]