51895220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 127008000

約数和(自身を除く): 75112780

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 59, 65, 68, 85, 118, 130, 170, 199, 221, 236, 260, 295, 340, 398, 442, 590, 767, 796, 884, 995, 1003, 1105, 1180, 1534, 1990, 2006, 2210, 2587, 3068, 3383, 3835, 3980, 4012, 4420, 5015, 5174, 6766, 7670, 10030, 10348, 11741, 12935, 13039, 13532, 15340, 16915, 20060, 23482, 25870, 26078, 33830, 43979, 46964, 51740, 52156, 58705, 65195, 67660, 87958, 117410, 130390, 152633, 175916, 199597, 219895, 234820, 260780, 305266, 399194, 439790, 610532, 763165, 798388, 879580, 997985, 1526330, 1995970, 2594761, 3052660, 3991940, 5189522, 10379044, 12973805, 25947610, 51895220]

約数ペア:

[(1, 51895220), (2, 25947610), (4, 12973805), (5, 10379044), (10, 5189522), (13, 3991940), (17, 3052660), (20, 2594761), (26, 1995970), (34, 1526330), (52, 997985), (59, 879580), (65, 798388), (68, 763165), (85, 610532), (118, 439790), (130, 399194), (170, 305266), (199, 260780), (221, 234820), (236, 219895), (260, 199597), (295, 175916), (340, 152633), (398, 130390), (442, 117410), (590, 87958), (767, 67660), (796, 65195), (884, 58705), (995, 52156), (1003, 51740), (1105, 46964), (1180, 43979), (1534, 33830), (1990, 26078), (2006, 25870), (2210, 23482), (2587, 20060), (3068, 16915), (3383, 15340), (3835, 13532), (3980, 13039), (4012, 12935), (4420, 11741), (5015, 10348), (5174, 10030), (6766, 7670)]