28899760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19013}}^1$

素因数の和:19045

約数の個数: 40

約数和(自身を含む): 70732080

約数和(自身を除く): 41832320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19013, 38026, 76052, 95065, 152104, 190130, 304208, 361247, 380260, 722494, 760520, 1444988, 1521040, 1806235, 2889976, 3612470, 5779952, 7224940, 14449880, 28899760]

約数ペア:

[(1, 28899760), (2, 14449880), (4, 7224940), (5, 5779952), (8, 3612470), (10, 2889976), (16, 1806235), (19, 1521040), (20, 1444988), (38, 760520), (40, 722494), (76, 380260), (80, 361247), (95, 304208), (152, 190130), (190, 152104), (304, 95065), (380, 76052), (760, 38026), (1520, 19013)]