84078320

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7561}}^1$

素因数の和:7713

約数の個数: 40

約数和(自身を含む): 196914480

約数和(自身を除く): 112836160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 7561, 11120, 15122, 30244, 37805, 60488, 75610, 120976, 151220, 302440, 604880, 1050979, 2101958, 4203916, 5254895, 8407832, 10509790, 16815664, 21019580, 42039160, 84078320]

約数ペア:

[(1, 84078320), (2, 42039160), (4, 21019580), (5, 16815664), (8, 10509790), (10, 8407832), (16, 5254895), (20, 4203916), (40, 2101958), (80, 1050979), (139, 604880), (278, 302440), (556, 151220), (695, 120976), (1112, 75610), (1390, 60488), (2224, 37805), (2780, 30244), (5560, 15122), (7561, 11120)]