40319072

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 82555200

約数和(自身を除く): 42236128

約数列:

[1, 2, 4, 8, 16, 32, 41, 79, 82, 158, 164, 316, 328, 389, 632, 656, 778, 1264, 1312, 1556, 2528, 3112, 3239, 6224, 6478, 12448, 12956, 15949, 25912, 30731, 31898, 51824, 61462, 63796, 103648, 122924, 127592, 245848, 255184, 491696, 510368, 983392, 1259971, 2519942, 5039884, 10079768, 20159536, 40319072]

約数ペア:

[(1, 40319072), (2, 20159536), (4, 10079768), (8, 5039884), (16, 2519942), (32, 1259971), (41, 983392), (79, 510368), (82, 491696), (158, 255184), (164, 245848), (316, 127592), (328, 122924), (389, 103648), (632, 63796), (656, 61462), (778, 51824), (1264, 31898), (1312, 30731), (1556, 25912), (2528, 15949), (3112, 12956), (3239, 12448), (6224, 6478)]