89914640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 217486080

約数和(自身を除く): 127571440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 79, 80, 82, 158, 164, 205, 316, 328, 347, 395, 410, 632, 656, 694, 790, 820, 1264, 1388, 1580, 1640, 1735, 2776, 3160, 3239, 3280, 3470, 5552, 6320, 6478, 6940, 12956, 13880, 14227, 16195, 25912, 27413, 27760, 28454, 32390, 51824, 54826, 56908, 64780, 71135, 109652, 113816, 129560, 137065, 142270, 219304, 227632, 259120, 274130, 284540, 438608, 548260, 569080, 1096520, 1123933, 1138160, 2193040, 2247866, 4495732, 5619665, 8991464, 11239330, 17982928, 22478660, 44957320, 89914640]

約数ペア:

[(1, 89914640), (2, 44957320), (4, 22478660), (5, 17982928), (8, 11239330), (10, 8991464), (16, 5619665), (20, 4495732), (40, 2247866), (41, 2193040), (79, 1138160), (80, 1123933), (82, 1096520), (158, 569080), (164, 548260), (205, 438608), (316, 284540), (328, 274130), (347, 259120), (395, 227632), (410, 219304), (632, 142270), (656, 137065), (694, 129560), (790, 113816), (820, 109652), (1264, 71135), (1388, 64780), (1580, 56908), (1640, 54826), (1735, 51824), (2776, 32390), (3160, 28454), (3239, 27760), (3280, 27413), (3470, 25912), (5552, 16195), (6320, 14227), (6478, 13880), (6940, 12956)]