80061280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 207361728

約数和(自身を除く): 127300448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 416, 488, 520, 610, 631, 793, 976, 1040, 1220, 1262, 1586, 1952, 2080, 2440, 2524, 3155, 3172, 3965, 4880, 5048, 6310, 6344, 7930, 8203, 9760, 10096, 12620, 12688, 15860, 16406, 20192, 25240, 25376, 31720, 32812, 38491, 41015, 50480, 63440, 65624, 76982, 82030, 100960, 126880, 131248, 153964, 164060, 192455, 262496, 307928, 328120, 384910, 500383, 615856, 656240, 769820, 1000766, 1231712, 1312480, 1539640, 2001532, 2501915, 3079280, 4003064, 5003830, 6158560, 8006128, 10007660, 16012256, 20015320, 40030640, 80061280]

約数ペア:

[(1, 80061280), (2, 40030640), (4, 20015320), (5, 16012256), (8, 10007660), (10, 8006128), (13, 6158560), (16, 5003830), (20, 4003064), (26, 3079280), (32, 2501915), (40, 2001532), (52, 1539640), (61, 1312480), (65, 1231712), (80, 1000766), (104, 769820), (122, 656240), (130, 615856), (160, 500383), (208, 384910), (244, 328120), (260, 307928), (305, 262496), (416, 192455), (488, 164060), (520, 153964), (610, 131248), (631, 126880), (793, 100960), (976, 82030), (1040, 76982), (1220, 65624), (1262, 63440), (1586, 50480), (1952, 41015), (2080, 38491), (2440, 32812), (2524, 31720), (3155, 25376), (3172, 25240), (3965, 20192), (4880, 16406), (5048, 15860), (6310, 12688), (6344, 12620), (7930, 10096), (8203, 9760)]