40648448

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 87442320

約数和(自身を除く): 46793872

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 76, 122, 128, 137, 152, 244, 256, 274, 304, 488, 548, 608, 976, 1096, 1159, 1216, 1952, 2192, 2318, 2432, 2603, 3904, 4384, 4636, 4864, 5206, 7808, 8357, 8768, 9272, 10412, 15616, 16714, 17536, 18544, 20824, 33428, 35072, 37088, 41648, 66856, 74176, 83296, 133712, 148352, 158783, 166592, 267424, 296704, 317566, 333184, 534848, 635132, 666368, 1069696, 1270264, 2139392, 2540528, 5081056, 10162112, 20324224, 40648448]

約数ペア:

[(1, 40648448), (2, 20324224), (4, 10162112), (8, 5081056), (16, 2540528), (19, 2139392), (32, 1270264), (38, 1069696), (61, 666368), (64, 635132), (76, 534848), (122, 333184), (128, 317566), (137, 296704), (152, 267424), (244, 166592), (256, 158783), (274, 148352), (304, 133712), (488, 83296), (548, 74176), (608, 66856), (976, 41648), (1096, 37088), (1159, 35072), (1216, 33428), (1952, 20824), (2192, 18544), (2318, 17536), (2432, 16714), (2603, 15616), (3904, 10412), (4384, 9272), (4636, 8768), (4864, 8357), (5206, 7808)]