80954320

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 195536592

約数和(自身を除く): 114582272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 61, 80, 106, 122, 212, 244, 265, 305, 313, 424, 488, 530, 610, 626, 848, 976, 1060, 1220, 1252, 1565, 2120, 2440, 2504, 3130, 3233, 4240, 4880, 5008, 6260, 6466, 12520, 12932, 16165, 16589, 19093, 25040, 25864, 32330, 33178, 38186, 51728, 64660, 66356, 76372, 82945, 95465, 129320, 132712, 152744, 165890, 190930, 258640, 265424, 305488, 331780, 381860, 663560, 763720, 1011929, 1327120, 1527440, 2023858, 4047716, 5059645, 8095432, 10119290, 16190864, 20238580, 40477160, 80954320]

約数ペア:

[(1, 80954320), (2, 40477160), (4, 20238580), (5, 16190864), (8, 10119290), (10, 8095432), (16, 5059645), (20, 4047716), (40, 2023858), (53, 1527440), (61, 1327120), (80, 1011929), (106, 763720), (122, 663560), (212, 381860), (244, 331780), (265, 305488), (305, 265424), (313, 258640), (424, 190930), (488, 165890), (530, 152744), (610, 132712), (626, 129320), (848, 95465), (976, 82945), (1060, 76372), (1220, 66356), (1252, 64660), (1565, 51728), (2120, 38186), (2440, 33178), (2504, 32330), (3130, 25864), (3233, 25040), (4240, 19093), (4880, 16589), (5008, 16165), (6260, 12932), (6466, 12520)]