28720516448

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{45631}}^1$

素因数の和:45760

約数の個数: 96

約数和(自身を含む): 65200826880

約数和(自身を除く): 36480310432

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 89, 104, 136, 178, 208, 221, 272, 356, 416, 442, 544, 712, 884, 1157, 1424, 1513, 1768, 2314, 2848, 3026, 3536, 4628, 6052, 7072, 9256, 12104, 18512, 19669, 24208, 37024, 39338, 45631, 48416, 78676, 91262, 157352, 182524, 314704, 365048, 593203, 629408, 730096, 775727, 1186406, 1460192, 1551454, 2372812, 3102908, 4061159, 4745624, 6205816, 8122318, 9491248, 10084451, 12411632, 16244636, 18982496, 20168902, 24823264, 32489272, 40337804, 52795067, 64978544, 69039703, 80675608, 105590134, 129957088, 138079406, 161351216, 211180268, 276158812, 322702432, 422360536, 552317624, 844721072, 897516139, 1104635248, 1689442144, 1795032278, 2209270496, 3590064556, 7180129112, 14360258224, 28720516448]

約数ペア:

[(1, 28720516448), (2, 14360258224), (4, 7180129112), (8, 3590064556), (13, 2209270496), (16, 1795032278), (17, 1689442144), (26, 1104635248), (32, 897516139), (34, 844721072), (52, 552317624), (68, 422360536), (89, 322702432), (104, 276158812), (136, 211180268), (178, 161351216), (208, 138079406), (221, 129957088), (272, 105590134), (356, 80675608), (416, 69039703), (442, 64978544), (544, 52795067), (712, 40337804), (884, 32489272), (1157, 24823264), (1424, 20168902), (1513, 18982496), (1768, 16244636), (2314, 12411632), (2848, 10084451), (3026, 9491248), (3536, 8122318), (4628, 6205816), (6052, 4745624), (7072, 4061159), (9256, 3102908), (12104, 2372812), (18512, 1551454), (19669, 1460192), (24208, 1186406), (37024, 775727), (39338, 730096), (45631, 629408), (48416, 593203), (78676, 365048), (91262, 314704), (157352, 182524)]