867825040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{1091}}^1$

素因数の和:1328

約数の個数: 80

約数和(自身を含む): 2065242816

約数和(自身を除く): 1197417776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 163, 244, 305, 326, 488, 610, 652, 815, 976, 1091, 1220, 1304, 1630, 2182, 2440, 2608, 3260, 4364, 4880, 5455, 6520, 8728, 9943, 10910, 13040, 17456, 19886, 21820, 39772, 43640, 49715, 66551, 79544, 87280, 99430, 133102, 159088, 177833, 198860, 266204, 332755, 355666, 397720, 532408, 665510, 711332, 795440, 889165, 1064816, 1331020, 1422664, 1778330, 2662040, 2845328, 3556660, 5324080, 7113320, 10847813, 14226640, 21695626, 43391252, 54239065, 86782504, 108478130, 173565008, 216956260, 433912520, 867825040]

約数ペア:

[(1, 867825040), (2, 433912520), (4, 216956260), (5, 173565008), (8, 108478130), (10, 86782504), (16, 54239065), (20, 43391252), (40, 21695626), (61, 14226640), (80, 10847813), (122, 7113320), (163, 5324080), (244, 3556660), (305, 2845328), (326, 2662040), (488, 1778330), (610, 1422664), (652, 1331020), (815, 1064816), (976, 889165), (1091, 795440), (1220, 711332), (1304, 665510), (1630, 532408), (2182, 397720), (2440, 355666), (2608, 332755), (3260, 266204), (4364, 198860), (4880, 177833), (5455, 159088), (6520, 133102), (8728, 99430), (9943, 87280), (10910, 79544), (13040, 66551), (17456, 49715), (19886, 43640), (21820, 39772)]