87406520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{743}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 209718720

約数和(自身を除く): 122312200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 173, 340, 346, 680, 692, 743, 865, 1384, 1486, 1730, 2941, 2972, 3460, 3715, 5882, 5944, 6920, 7430, 11764, 12631, 14705, 14860, 23528, 25262, 29410, 29720, 50524, 58820, 63155, 101048, 117640, 126310, 128539, 252620, 257078, 505240, 514156, 642695, 1028312, 1285390, 2185163, 2570780, 4370326, 5141560, 8740652, 10925815, 17481304, 21851630, 43703260, 87406520]

約数ペア:

[(1, 87406520), (2, 43703260), (4, 21851630), (5, 17481304), (8, 10925815), (10, 8740652), (17, 5141560), (20, 4370326), (34, 2570780), (40, 2185163), (68, 1285390), (85, 1028312), (136, 642695), (170, 514156), (173, 505240), (340, 257078), (346, 252620), (680, 128539), (692, 126310), (743, 117640), (865, 101048), (1384, 63155), (1486, 58820), (1730, 50524), (2941, 29720), (2972, 29410), (3460, 25262), (3715, 23528), (5882, 14860), (5944, 14705), (6920, 12631), (7430, 11764)]