100797680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 243734400

約数和(自身を除く): 142936720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 79, 80, 82, 158, 164, 205, 316, 328, 389, 395, 410, 632, 656, 778, 790, 820, 1264, 1556, 1580, 1640, 1945, 3112, 3160, 3239, 3280, 3890, 6224, 6320, 6478, 7780, 12956, 15560, 15949, 16195, 25912, 30731, 31120, 31898, 32390, 51824, 61462, 63796, 64780, 79745, 122924, 127592, 129560, 153655, 159490, 245848, 255184, 259120, 307310, 318980, 491696, 614620, 637960, 1229240, 1259971, 1275920, 2458480, 2519942, 5039884, 6299855, 10079768, 12599710, 20159536, 25199420, 50398840, 100797680]

約数ペア:

[(1, 100797680), (2, 50398840), (4, 25199420), (5, 20159536), (8, 12599710), (10, 10079768), (16, 6299855), (20, 5039884), (40, 2519942), (41, 2458480), (79, 1275920), (80, 1259971), (82, 1229240), (158, 637960), (164, 614620), (205, 491696), (316, 318980), (328, 307310), (389, 259120), (395, 255184), (410, 245848), (632, 159490), (656, 153655), (778, 129560), (790, 127592), (820, 122924), (1264, 79745), (1556, 64780), (1580, 63796), (1640, 61462), (1945, 51824), (3112, 32390), (3160, 31898), (3239, 31120), (3280, 30731), (3890, 25912), (6224, 16195), (6320, 15949), (6478, 15560), (7780, 12956)]