28088480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:862

約数の個数: 96

約数和(自身を含む): 78382080

約数和(自身を除く): 50293600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 809, 868, 992, 1085, 1120, 1240, 1618, 1736, 2170, 2480, 3236, 3472, 4045, 4340, 4960, 5663, 6472, 6944, 8090, 8680, 11326, 12944, 16180, 17360, 22652, 25079, 25888, 28315, 32360, 34720, 45304, 50158, 56630, 64720, 90608, 100316, 113260, 125395, 129440, 175553, 181216, 200632, 226520, 250790, 351106, 401264, 453040, 501580, 702212, 802528, 877765, 906080, 1003160, 1404424, 1755530, 2006320, 2808848, 3511060, 4012640, 5617696, 7022120, 14044240, 28088480]

約数ペア:

[(1, 28088480), (2, 14044240), (4, 7022120), (5, 5617696), (7, 4012640), (8, 3511060), (10, 2808848), (14, 2006320), (16, 1755530), (20, 1404424), (28, 1003160), (31, 906080), (32, 877765), (35, 802528), (40, 702212), (56, 501580), (62, 453040), (70, 401264), (80, 351106), (112, 250790), (124, 226520), (140, 200632), (155, 181216), (160, 175553), (217, 129440), (224, 125395), (248, 113260), (280, 100316), (310, 90608), (434, 64720), (496, 56630), (560, 50158), (620, 45304), (809, 34720), (868, 32360), (992, 28315), (1085, 25888), (1120, 25079), (1240, 22652), (1618, 17360), (1736, 16180), (2170, 12944), (2480, 11326), (3236, 8680), (3472, 8090), (4045, 6944), (4340, 6472), (4960, 5663)]