28129880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37013}}^1$

素因数の和:37043

約数の個数: 32

約数和(自身を含む): 66625200

約数和(自身を除く): 38495320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37013, 74026, 148052, 185065, 296104, 370130, 703247, 740260, 1406494, 1480520, 2812988, 3516235, 5625976, 7032470, 14064940, 28129880]

約数ペア:

[(1, 28129880), (2, 14064940), (4, 7032470), (5, 5625976), (8, 3516235), (10, 2812988), (19, 1480520), (20, 1406494), (38, 740260), (40, 703247), (76, 370130), (95, 296104), (152, 185065), (190, 148052), (380, 74026), (760, 37013)]