6557500

素因数分解:

$2^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 60

約数和(自身を含む): 14913976

約数和(自身を除く): 8356476

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 61, 86, 100, 122, 125, 172, 215, 244, 250, 305, 430, 500, 610, 625, 860, 1075, 1220, 1250, 1525, 2150, 2500, 2623, 3050, 4300, 5246, 5375, 6100, 7625, 10492, 10750, 13115, 15250, 21500, 26230, 26875, 30500, 38125, 52460, 53750, 65575, 76250, 107500, 131150, 152500, 262300, 327875, 655750, 1311500, 1639375, 3278750, 6557500]

約数ペア:

[(1, 6557500), (2, 3278750), (4, 1639375), (5, 1311500), (10, 655750), (20, 327875), (25, 262300), (43, 152500), (50, 131150), (61, 107500), (86, 76250), (100, 65575), (122, 53750), (125, 52460), (172, 38125), (215, 30500), (244, 26875), (250, 26230), (305, 21500), (430, 15250), (500, 13115), (610, 10750), (625, 10492), (860, 7625), (1075, 6100), (1220, 5375), (1250, 5246), (1525, 4300), (2150, 3050), (2500, 2623)]