66219100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 152240256

約数和(自身を除く): 86021156

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 155, 164, 205, 310, 410, 521, 620, 775, 820, 1025, 1042, 1271, 1550, 2050, 2084, 2542, 2605, 3100, 4100, 5084, 5210, 6355, 10420, 12710, 13025, 16151, 21361, 25420, 26050, 31775, 32302, 42722, 52100, 63550, 64604, 80755, 85444, 106805, 127100, 161510, 213610, 323020, 403775, 427220, 534025, 662191, 807550, 1068050, 1324382, 1615100, 2136100, 2648764, 3310955, 6621910, 13243820, 16554775, 33109550, 66219100]

約数ペア:

[(1, 66219100), (2, 33109550), (4, 16554775), (5, 13243820), (10, 6621910), (20, 3310955), (25, 2648764), (31, 2136100), (41, 1615100), (50, 1324382), (62, 1068050), (82, 807550), (100, 662191), (124, 534025), (155, 427220), (164, 403775), (205, 323020), (310, 213610), (410, 161510), (521, 127100), (620, 106805), (775, 85444), (820, 80755), (1025, 64604), (1042, 63550), (1271, 52100), (1550, 42722), (2050, 32302), (2084, 31775), (2542, 26050), (2605, 25420), (3100, 21361), (4100, 16151), (5084, 13025), (5210, 12710), (6355, 10420)]