40390784

素因数分解:

$2^7\times 7^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 93595200

約数和(自身を除く): 53204416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 427, 448, 488, 739, 854, 896, 976, 1478, 1708, 1952, 2956, 3416, 3904, 5173, 5912, 6832, 7808, 10346, 11824, 13664, 20692, 23648, 27328, 41384, 45079, 47296, 54656, 82768, 90158, 94592, 165536, 180316, 315553, 331072, 360632, 631106, 662144, 721264, 1262212, 1442528, 2524424, 2885056, 5048848, 5770112, 10097696, 20195392, 40390784]

約数ペア:

[(1, 40390784), (2, 20195392), (4, 10097696), (7, 5770112), (8, 5048848), (14, 2885056), (16, 2524424), (28, 1442528), (32, 1262212), (56, 721264), (61, 662144), (64, 631106), (112, 360632), (122, 331072), (128, 315553), (224, 180316), (244, 165536), (427, 94592), (448, 90158), (488, 82768), (739, 54656), (854, 47296), (896, 45079), (976, 41384), (1478, 27328), (1708, 23648), (1952, 20692), (2956, 13664), (3416, 11824), (3904, 10346), (5173, 7808), (5912, 6832)]