28215860

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9343}}^1$

素因数の和:9503

約数の個数: 24

約数和(自身を含む): 59652096

約数和(自身を除く): 31436236

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 9343, 18686, 37372, 46715, 93430, 186860, 1410793, 2821586, 5643172, 7053965, 14107930, 28215860]

約数ペア:

[(1, 28215860), (2, 14107930), (4, 7053965), (5, 5643172), (10, 2821586), (20, 1410793), (151, 186860), (302, 93430), (604, 46715), (755, 37372), (1510, 18686), (3020, 9343)]