40386304

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 95234048

約数和(自身を除く): 54847744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 727, 868, 896, 992, 1454, 1736, 1792, 1984, 2908, 3472, 3968, 5089, 5816, 6944, 7936, 10178, 11632, 13888, 20356, 22537, 23264, 27776, 40712, 45074, 46528, 55552, 81424, 90148, 93056, 157759, 162848, 180296, 186112, 315518, 325696, 360592, 631036, 651392, 721184, 1262072, 1302784, 1442368, 2524144, 2884736, 5048288, 5769472, 10096576, 20193152, 40386304]

約数ペア:

[(1, 40386304), (2, 20193152), (4, 10096576), (7, 5769472), (8, 5048288), (14, 2884736), (16, 2524144), (28, 1442368), (31, 1302784), (32, 1262072), (56, 721184), (62, 651392), (64, 631036), (112, 360592), (124, 325696), (128, 315518), (217, 186112), (224, 180296), (248, 162848), (256, 157759), (434, 93056), (448, 90148), (496, 81424), (727, 55552), (868, 46528), (896, 45074), (992, 40712), (1454, 27776), (1736, 23264), (1792, 22537), (1984, 20356), (2908, 13888), (3472, 11632), (3968, 10178), (5089, 7936), (5816, 6944)]