40438784

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 88

約数和(自身を含む): 90199008

約数和(自身を除く): 49760224

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 101, 128, 136, 184, 202, 256, 272, 368, 391, 404, 512, 544, 736, 782, 808, 1024, 1088, 1472, 1564, 1616, 1717, 2176, 2323, 2944, 3128, 3232, 3434, 4352, 4646, 5888, 6256, 6464, 6868, 8704, 9292, 11776, 12512, 12928, 13736, 17408, 18584, 23552, 25024, 25856, 27472, 37168, 39491, 50048, 51712, 54944, 74336, 78982, 100096, 103424, 109888, 148672, 157964, 200192, 219776, 297344, 315928, 400384, 439552, 594688, 631856, 879104, 1189376, 1263712, 1758208, 2378752, 2527424, 5054848, 10109696, 20219392, 40438784]

約数ペア:

[(1, 40438784), (2, 20219392), (4, 10109696), (8, 5054848), (16, 2527424), (17, 2378752), (23, 1758208), (32, 1263712), (34, 1189376), (46, 879104), (64, 631856), (68, 594688), (92, 439552), (101, 400384), (128, 315928), (136, 297344), (184, 219776), (202, 200192), (256, 157964), (272, 148672), (368, 109888), (391, 103424), (404, 100096), (512, 78982), (544, 74336), (736, 54944), (782, 51712), (808, 50048), (1024, 39491), (1088, 37168), (1472, 27472), (1564, 25856), (1616, 25024), (1717, 23552), (2176, 18584), (2323, 17408), (2944, 13736), (3128, 12928), (3232, 12512), (3434, 11776), (4352, 9292), (4646, 8704), (5888, 6868), (6256, 6464)]