39970360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 93571200

約数和(自身を除く): 53600840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 113, 148, 185, 226, 239, 296, 370, 452, 478, 565, 740, 904, 956, 1130, 1195, 1480, 1912, 2260, 2390, 4181, 4520, 4780, 8362, 8843, 9560, 16724, 17686, 20905, 27007, 33448, 35372, 41810, 44215, 54014, 70744, 83620, 88430, 108028, 135035, 167240, 176860, 216056, 270070, 353720, 540140, 999259, 1080280, 1998518, 3997036, 4996295, 7994072, 9992590, 19985180, 39970360]

約数ペア:

[(1, 39970360), (2, 19985180), (4, 9992590), (5, 7994072), (8, 4996295), (10, 3997036), (20, 1998518), (37, 1080280), (40, 999259), (74, 540140), (113, 353720), (148, 270070), (185, 216056), (226, 176860), (239, 167240), (296, 135035), (370, 108028), (452, 88430), (478, 83620), (565, 70744), (740, 54014), (904, 44215), (956, 41810), (1130, 35372), (1195, 33448), (1480, 27007), (1912, 20905), (2260, 17686), (2390, 16724), (4181, 9560), (4520, 8843), (4780, 8362)]