266433996880

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{991}}^1\times {\mathrm{12401}}^1$

素因数の和:13676

約数の個数: 80

約数和(自身を含む): 622422448128

約数和(自身を除く): 355988451248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 991, 1084, 1355, 1982, 2168, 2710, 3964, 4336, 4955, 5420, 7928, 9910, 10840, 12401, 15856, 19820, 21680, 24802, 39640, 49604, 62005, 79280, 99208, 124010, 198416, 248020, 268561, 496040, 537122, 992080, 1074244, 1342805, 2148488, 2685610, 3360671, 4296976, 5371220, 6721342, 10742440, 12289391, 13442684, 16803355, 21484880, 24578782, 26885368, 33606710, 49157564, 53770736, 61446955, 67213420, 98315128, 122893910, 134426840, 196630256, 245787820, 268853680, 491575640, 983151280, 3330424961, 6660849922, 13321699844, 16652124805, 26643399688, 33304249610, 53286799376, 66608499220, 133216998440, 266433996880]

約数ペア:

[(1, 266433996880), (2, 133216998440), (4, 66608499220), (5, 53286799376), (8, 33304249610), (10, 26643399688), (16, 16652124805), (20, 13321699844), (40, 6660849922), (80, 3330424961), (271, 983151280), (542, 491575640), (991, 268853680), (1084, 245787820), (1355, 196630256), (1982, 134426840), (2168, 122893910), (2710, 98315128), (3964, 67213420), (4336, 61446955), (4955, 53770736), (5420, 49157564), (7928, 33606710), (9910, 26885368), (10840, 24578782), (12401, 21484880), (15856, 16803355), (19820, 13442684), (21680, 12289391), (24802, 10742440), (39640, 6721342), (49604, 5371220), (62005, 4296976), (79280, 3360671), (99208, 2685610), (124010, 2148488), (198416, 1342805), (248020, 1074244), (268561, 992080), (496040, 537122)]